Cardiovascular | Chest | Gastrointestinal | Genitourinary | Musculoskeletal | Neurological
Cardiovascular
- Aberrant Left Pulmonary Artery – see Pulmonary Sling
- Absent Pulmonary Valve Syndrome
- ALCAPA – see Anomalous Left Coronary Artery From the Pulmonary Artery
- Anomalous Left Coronary Artery From the Pulmonary Artery
- Aortic Stenosis
- Atrial Septal Defect
- ASD – see Atrial Septal Defect
- Atrioventricular Canal Defect
- Atrioventricular Septal Defect – see Atrioventricular Canal Defect
- AVCD – see Atrioventricular Canal Defect
- AVSD – see Atrioventricular Canal Defect
- Azygos Continuation of the Inferior Vena Cava
- Brachiocephalic Artery Compression Syndrome – see Innominate Artery Compression Syndrome
- Cardiac Pacemaker Lead Malfunction
- Cardiac Rhabdomyoma
- Cardiomyopathy
- Central Venous Catheter Malfunction
- Coarctation of Aorta
- CVC Malfunction – see Central Venous Catheter Malfunction
- DORV – see Double Outlet Right Ventricle
- Double Aortic Arch
- Double Outlet Right Ventricle
- Ebstein Anomaly
- ECCD – see Atrioventricular Canal Defect
- ECMO – see Extracorporeal Membrane Oxygenation
- Ehlers-Danlos Syndrome
- Eisenmenger Syndrome
- Endocardial Cushion Defect – see Atrioventricular Canal Defect
- Extracorporeal Membrane Oxygenation
- Henoch-Schonlein Purpura
- Heterotaxy Syndrome
- HSP – see Henoch-Schonlein Purpura
- HLHS – see Hypoplastic Left Heart Syndrome
- Hydrops Fetalis
- Hypogenetic Lung Syndrome – see Partial Anomalous Pulmonary Venous Return
- Hypoplastic Left Heart Syndrome
- Immunoglobulin A Vasculitis – see Henoch-Schonlein Purpura
- Infective Endocarditis
- Innominate Artery Compression Syndrome
- Interrupted Aortic Arch
- Kawasaki Disease
- Left Aortic Arch With Aberrant Right Subclavian Artery
- Left Atrial Aneurysm
- Left Coronary Artery Originating From Right Sinus
- Ligamentum Arteriosum
- Loeys-Dietz Syndrome
- Marfan Syndrome
- Midaortic Syndrome
- Mucocutaneous Lymph Node Syndrome – see Kawasaki Disease
- Myocarditis
- PAN – see Polyarteritis Nodosa
- PAPVC – see Partial Anomalous Pulmonary Venous Return
- PAPVR – see Partial Anomalous Pulmonary Venous Return
- Partial Anomalous Pulmonary Venous Connection – see Partial Anomalous Pulmonary Venous Return
- Partial Anomalous Pulmonary Venous Return
- Patent Ductus Arteriosus
- PDA – see Patent Ductus Arteriosus
- PE – see Pulmonary Embolism
- Pentalogy of Cantrell
- Pericardial Effusion
- Peripherally Inserted Central Catheter Malfunction
- Persistent Fetal Circulation – see Persistent Pulmonary Hypertension
- Persistent Pulmonary Hypertension
- PFC – see Persistent Pulmonary Hypertension
- PICC Malfunction – see Peripherally Inserted Central Catheter Malfunction
- Pneumopericardium
- PPC – see Pneumopericardium
- PPHN – see Persistent Pulmonary Hypertension
- Polyarteritis Nodosa
- Pulmonary Arterial Aneurysm
- Pulmonary Arteriovenous Malformation
- Pulmonary Atresia
- Pulmonary Edema
- Pulmonary Embolism
- Pulmonary Fat Embolism
- Pulmonary Hypertension
- Pulmonary Sling
- Pulmonary Stenosis
- Rheumatic Heart Disease
- Right Aortic Arch Mirror Image – see Right Aortic Arch Without an Aberrant Vessel
- Right Aortic Arch With Aberrant Left Subclavian Artery
- Right Aortic Arch Without an Aberrant Vessel
- Right Coronary Artery Arising From Left Coronary Cusp Interarterial Type
- Scimitar Syndrome – see Partial Anomalous Pulmonary Venous Return
- Situs Inversus
- Subclavian and Femoral Venous Catheter Malfunction
- Supraventricular Tachycardia
- SVT – see Supraventricular Tachycardia
- Takayasu Arteritis
- TAPVC – see Total Anomalous Pulmonary Venous Return
- TAPVR – see Total Anomalous Pulmonary Venous Return
- Tetralogy of Fallot
- TGA – see Transposition of the Great Arteries
- Thoracic Aortic Injury
- TOF – see Tetralogy of Fallot
- Total Anomalous Pulmonary Venous Connection – see Total Anomalous Pulmonary Venous Return
- Total Anomalous Pulmonary Venous Return
- Transposition of the Great Arteries
- Tricuspid Atresia
- Truncus Arteriosus
- UAC Malfunction – see Umbilical Arterial Catheter Malfunction
- Umbilical Arterial Catheter Malfunction
- Umbilical Venous Catheter Malfunction
- UVC Malfunction – see Umbilical Venous Catheter Malfunction
- Venolobar Syndrome – see Partial Anomalous Pulmonary Venous Return
- Ventricular Septal Defect
- VSD – see Ventricular Septal Defect
- Ventricular Tachycardia
- 22q11.2 Deletion Syndrome – see DiGeorge Syndrome
- Acute Chest Syndrome
- ALL – see Leukemia
- ANCA associated vasculitis – see Granulomatosis With Polyangiitis
- Angiofollicular Lymphoid Hyperplasia – see Castleman Disease
- Anti-neutrophil cytoplasmic antibody associated vasculitis – see Granulomatosis With Polyangiitis
- Aryepiglottic Fold Cyst
- Aspergillosis
- Asthma
- Bacterial Tracheitis
- Bochdalek Hernia – see Congenital Diaphragmatic Hernia
- BPD – see Bronchopulmonary Dysplasia
- Breast Abscess
- Bronchial Atresia
- Bronchiectasis
- Bronchiolitis Obliterans
- Bronchogenic Cyst
- Bronchopleural Fistula
- Bronchopulmonary Dysplasia
- Bronchopulmonary Foregut Malformation – see Bronchogenic Cyst, Esophageal Duplication, Neurenteric Cyst
- Bronchus Suis – see Tracheal Bronchus
- Castleman Disease
- CCAM – see Congenital Pulmonary Airway Malformation
- CDH – see Congenital Diaphragmatic Hernia
- CF – see Cystic Fibrosis
- Chest Tube Malfunction
- Chronic Lung Disease
- Chylothorax
- CLD – see Chronic Lung Disease
- CLE – see Congenital Lobar Emphysema
- CLO – see Congenital Lobar Emphysema
- Congenital Cystic Airway Malformation – see Congenital Pulmonary Airway Malformation
- Congenital Diaphragmatic Hernia
- Congenital Lobar Emphysema
- Congenital Lobar Overinflation – see Congenital Lobar Emphysema
- CPAM – see Congenital Pulmonary Airway Malformation
- Congenital Pulmonary Airway Malformation
- Croup
- Croup Membranous – see Bacterial Tracheitis
- Cystic Fibrosis
- Diaphragm Eventration
- Diaphragm Paralysis
- Diaphragmatic Rupture
- DiGeorge Syndrome
- Endotracheal Tube Malfunction
- Epiglottitis
- ETT Malfunction – see Endotracheal Tube Malfunction
- EVALI – see Vaping Associated Lung Disease
- Expiratory Chest
- Extrinsic Allergic Alveolitis – see Hypersensitivity Pneumonitis
- Exudative Tracheitis – see Bacterial Tracheitis
- Foreign Body Airway
- Giant Lymph Node Hyperplasia – see Castleman Disease
- Granulomatosis With Polyangiitis
- Gynecomastia
- Hemothorax
- Histoplasmosis
- HMD – see Respiratory Distress Syndrome
- Hyaline Membrane Disease – see Respiratory Distress Syndrome
- Hypersensitivity Pneumonitis
- Immotile Cilia Syndrome – see Kartagener Syndrome
- Kartagener Syndrome
- LAM – see Lymphangioleiomyomatosis
- Laryngeotracheobronchitis Acute – see Croup
- Laryngotracheobronchitis Membranous – see Bacterial Tracheitis
- Laryngomalacia
- Leukemia
- Leukemia Acute Lymphocytic – see Leukemia
- LIP – see Lymphoid Interstitial Pneumonia
- Lung Abscess
- Lymphangioleiomyomatosis
- Lymphoma Hodgkin
- Lymphoma Non-Hodgkin
- MAS – see Meconium Aspiration Syndrome
- Mastitis
- Meconium Aspiration Syndrome
- Metastasis Lung
- Morgagni Hernia
- NAVA malfunction – see Neurally Adjusted Ventilatory Assist Tube Malfunction
- Near Drowning
- NEHI – see Neuroendocrine Cell Hyperplasia
- Neurally Adjusted Ventilatory Assist Catheter Malfunction
- Neuroendocrine Cell Hyperplasia
- Neuromuscular Paralysis
- NHL – see Lymphoma Non-Hodgkin
- Normal Airway
- Normal Chest
- Nuss Bar Malfunction
- Papilloma
- Papillomatosis Tracheobronchial
- Pectus Carinatum
- Pectus Excavatum
- PIE – see Pulmonary Interstitial Emphysema
- Pig Bronchus – see Tracheal Bronchus
- Pleural Effusion
- Pleural Effusion Subpulmonic
- Pleural Empyema
- Pleuropulmonary Blastoma
- PMS – see Pneumomediastinum
- Pneumatocele
- Pneumatocele Traumatic – see Pulmonary Laceration
- Pneumomediastinum
- Pneumonia Aspiration
- Pneumonia Bacterial
- Pneumonia Chlamydia
- Pneumonia COVID-19
- Pneumonia Group B Streptococcus
- Pneumonia Hydrocarbon – see Pneumonia Lipoid
- Pneumonia Lipoid
- Pneumonia Lymphoid Interstitial
- Pneumonia Mycobacterium Avium
- Pneumonia Mycoplasma
- Pneumonia Necrotizing
- Pneumonia Pertussis
- Pneumonia Pneumocystis Jiroveci
- Pneumonia Respiratory Syncytial Virus
- Pneumonia Round
- Pneumonia Staphylococcus
- Pneumonia Streptococcus
- Pneumonia Tuberculosis
- Pneumonia Varicella
- Pneumonia Viral
- Pneumothorax
- Pneumothorax Spontaneous
- Poland Syndrome
- PTX – see Pneumothorax
- Pulmonary Abscess – see Lung Abscess
- Pulmonary Agenesis
- Pulmonary Alveolar Proteinosis
- Pulmonary Contusion
- Pulmonary Hemorrhage
- Pulmonary Hemosiderosis
- Pulmonary Herniation
- Pulmonary Hypoplasia
- Pulmonary Interstitial Emphysema
- Pulmonary Laceration
- Pulmonary Lymphangiectasia
- Pulmonary Sequestration
- Respiratory Distress Syndrome
- RDS – see Respiratory Distress Syndrome
- Retained Fetal Lung Fluid – see Transient Tachypnea of Newborn
- RSV – see Pneumonia Respiratory Syncytial Virus
- Sarcoidosis
- SDD – see Respiratory Distress Syndrome
- Septic Pulmonary Emboli
- Sickle Cell Disease Chest – see Acute Chest Syndrome
- Surfactant Deficiency Disorder – see Respiratory Distress Syndrome
- Swyer James Syndrome
- TB – see Pneumonia Tuberculosis
- Teratoma Mediastinal
- Thoracic Outlet Syndrome
- Thymic Cyst
- Thymoma
- Thymus Ectopic Cervical
- Thymus Hyperplasia – see Thymus Prominent
- Thymus Normal
- Thymus Prominent
- Thymus Rebound
- Tracheal Atresia
- Tracheal Bronchus
- Tracheal Granuloma
- Tracheal Stenosis
- Tracheobronchial Injury
- Tracheobronchomalacia
- Transient Tachypnea of Newborn
- TTN – see Transient Tachypnea of Newborn
- Velocardiofacial Syndrome – see DiGeorge Syndrome
- Wegener Granulomatosis – see Granulomatosis With Polyangiitis
- Wet Lung – see Transient Tachypnea of Newborn
- Whooping Cough – see Pneumonia Pertussis
- Vaping Associated Lung Disease
- Wilson Mikity Syndrome
- Abdominal Abscess
- Abdominal Adhesions
- Achalasia
- Aerophagia
- A1AT deficiency – see Alpha-1 Antitrypsin Deficiency
- Alagille Syndrome
- Alpha-1 Antitrypsin Deficiency
- Annular Pancreas
- Anorectal Malformation
- Appendicitis
- Arteriohepatic Dysplasia – see Alagille Syndrome
- Ascariasis
- Ascites
- Aspiration
- Bezoar
- Bile Plug Syndrome
- Biliary Atresia
- Bowel Trauma
- Budd-Chiari Syndrome
- Candida Esophagitis
- Carcinoid Tumor
- Cecal Volvulus
- Cecostomy Tube Malfunction
- Celiac Artery Compression Syndrome – see Median Arcuate Ligament Syndrome
- Child Abuse Visceral Injury
- Cholecystitis, Acute
- Cholecystitis, Gangrenous
- Choledochal Cyst
- Cholelithiasis
- Chronic Granulomatous Disease
- Colitis, Infectious
- Colonic Atresia
- Colonic Duplication
- Colonic Perforation
- Congenital Esophageal Stenosis
- Constipation
- Corrosive Esophagitis
- Cricopharyngeal Bar
- Crohn Disease
- Cystic Fibrosis Normal Appendix
- Cystic Fibrosis Liver
- Cystic Fibrosis Pancreas
- DIOS – see Distal Intestinal Obstruction Syndrome
- Distal Intestinal Obstruction Syndrome
- Duodenal Atresia
- Duodenal Duplication
- Duodenal Hematoma
- Duodenal Perforation
- Duodenal Stenosis
- Duodenal Web
- Eosinophilic Esophagitis
- Epidermolysis Bullosa
- Epiploic Appendagitis
- EA – see Esophageal Atresia
- Esophageal Atresia
- Esophageal Atresia With Distal Tracheo-Esophageal Fistula
- Esophageal Atresia Without Tracheo-Esophageal Fistula
- Esophageal Atresia With H-Type Tracheo-Esophageal Fistula
- Esophageal Bronchus
- Esophageal Duplication
- Esophageal Perforation
- Esophageal pH Probe Malfunction
- Esophageal Temperature Probe Malfunction
- Esophageal Web
- Esophagotrachea
- Fatty Liver – see Hepatic Steatosis
- Feeding Tube Malfunction
- Fibrolamellar Hepatocelluar Carcinoma
- FNH – see Focal Nodular Hyperplasia
- Focal Nodular Hyperplasia
- Foreign Body Gastrointestinal
- Foregut Duplication Cyst – see Bronchogenic Cyst, Esophageal Duplication, Neurenteric Cyst
- Gallbladder Agenesis
- Gallbladder Hydrops
- Gallstones – see Cholelithiasis
- Gastric Antral Web
- Gastric Duplication
- Gastric Perforation
- Gastric Volvulus Mesenteroaxial
- Gastric Volvulus Organoaxial
- Gastritis Prostaglandin E Induced
- Gastroesophageal Reflux
- Gastroparesis
- Gastroschisis
- Gastrostomy Tube Malfunction
- Gastrojejunostomy Tube Malfunction
- Gaucher Disease
- GER – see Gastroesophageal Reflux
- G-Tube Malfunction – see Gastrostomy Tube Malfunction
- GJ-Tube Malfunction – see Gastrojejunostomy Tube Malfunction
- Giardiasis
- Graft Versus Host Disease
- GVHD – see Graft Versus Host Disease
- Hemangioma Hepatic
- Hemobilia
- Hemochromatosis
- Hemosiderosis
- Hepatic Adenoma
- Hepatic Cyst
- Hepatic Steatosis
- Hepatitis Acute
- Hepatitis Neonatal
- Hepatic Veno-occlusive Disease – see Sinusoidal Obstruction Syndrome
- Hepatic Venous Outflow Obstruction – see Budd-Chiari Syndrome
- Hepatoblastoma
- Hepatocellular Adenoma – see Hepatic Adenoma
- Hernia Abdominal Wall
- Hernia Hiatal
- Hernia Inguinal
- Hernia Lumbar
- Hernia Umbilical
- Hirschsprung Disease
- Hydatid Disease
- HPS – see Hypertrophic Pyloric Stenosis
- HVOD – see Sinusoidal Obstruction Syndrome
- Hypertrophic Pyloric Stenosis
- Hypoalbuminemia
- Hypoperfusion Complex
- Ileal Atresia
- Ileal Duplication and Jejunal Duplication
- Ileal Stenosis
- Ileus
- Imperforate Anus – see Anorectal Malformation
- Inflammatory Myofibroblastic Tumor
- Inflammatory Pseudotumor – see Inflammatory Myofibroblastic Tumor
- Inspissated Bile Syndrome – see Bile Plug Syndrome
- Insulinoma
- Intussusception Ileocolic
- Intussusception Small Bowel-Small Bowel
- Jejunal Atresia
- Jejunal Stenosis
- Jejunal Web – see Jejunal Stenosis
- Laryngo-tracheo-esophageal Cleft – see Esophagotrachea
- Liver Abscess Amebic
- Liver Abscess Candidial Microabscesses
- Liver Abscess Pyogenic
- Liver Trauma
- Lymphoid Hyperplasia
- Lymphoid Polyps – see Lymphoid Hyperplasia
- Lymphoma Burkitt
- Malrotation Without Midgut Volvulus
- Malrotation With Midgut Volvulus
- MALS – see Median Arcuate Ligament Syndrome
- Meckel Diverticulum
- Meconium
- Meconium Ileus Complicated
- Meconium Ileus Equivalent – see Distal Intestinal Obstruction Syndrome
- Meconium Ileus Uncomplicated
- Meconium Obstruction of Prematurity
- Meconium Peritonitis – see Meconium Ileus Complicated
- Meconium Plug Syndrome
- Median Arcuate Ligament Syndrome
- Menetrier Disease
- Mesenchymal Hamartoma
- Mesenteric Adenitis
- Mesenteric Cyst
- Nasogastric Tube Malfunction
- Nasojejunal Tube Malfunction – see Feeding Tube Malfunction
- NEC – see Necrotizing Enterocolitis
- Necrotizing Enterocolitis
- NG-Tube Malfunction – see Nasogastric Tube Malfunction
- Nissen Fundoplication Malfunction
- Non-accidental Trauma Visceral Injury – see Child Abuse Visceral Injury
- Normal Fluoroscopic Appearance of the Pediatric Gastrointestinal Tract
- Omental Infarction
- Omental Torsion
- Omphalocele
- Pancreatic Trauma
- Pancreatitis
- Pancreatoblastoma
- Peutz-Jeghers Syndrome
- Plasma Cell Granuloma – see Inflammatory Myofibroblastic Tumor
- Pneumatosis Intestinalis
- Pneumoperitoneum
- Pneumoretroperitoneum
- Polyps Adenomatous
- Polyps Hamartomatous
- Polyps Juvenile
- Polyps, Lymphoid – see Lymphoid Hyperplasia
- Portal Hypertension
- Post-transplant Lymphoproliferative Disorder
- PPT – see Pneumoperitoneum
- Primary Sclerosing Cholangitis
- PSC – see Primary Sclerosing Cholangitis
- Protein Losing Enteropathy
- Pseudomembranous Colitis
- PTLD – see Post-transplant Lymphoproliferative Disorder
- Pyloric Atresia
- Radiation Induced Enteritis
- Rectal Duplication
- SBO – see Small Bowel Obstruction
- Shock Bowel – see Hypoperfusion Complex
- Short Bowel Syndrome
- Sickle Cell Disease Gastrointestinal
- Sigmoid Volvulus
- Sinusoidal Obstruction Syndrome
- SMA Syndrome – see Superior Mesenteric Artery Syndrome
- Small Bowel Ischemia
- Small Bowel Obstruction
- Small Bowel Perforation
- Small Bowel Volvulus
- Small Left Colon Syndrome – see Meconium Plug Syndrome
- SOS – see Sinusoidal Obstruction Syndrome
- Solid Pseudopapillary Tumor of Pancreas
- Splenic Cyst
- Splenic Torsion – see Splenic Volvulus
- Splenic Trauma
- Splenic Volvulus
- Splenomegaly
- Spontaneous Intestinal Perforation
- Sprue
- Superior Mesenteric Artery Syndrome
- TEF – see Esophageal Atresia
- TPNoma
- Tracheoesophageal Fistula – see Esophageal Atresia
- Tuberculosis Gastrointestinal
- Typhlitis
- UC – see Ulcerative Colitis
- Ulcerative Colitis
- Undifferentiated Embryonal Sarcoma of the Liver
- VACTERL Association
- Abnormalities of Renal Ascent – see Kidney Ectopic
- ADPCKD – see Autosomal Dominant Polycystic Kidney Disease
- Adrenal Hemorrhage
- Adrenal Trauma
- Adrenocortical Carcinoma
- Adrenogenital Syndrome – see Congenital Adrenal Hyperplasia
- AML – see Angiomyolipoma
- Angiomyolipoma
- ARPCKD – see Autosomal Recessive Polycystic Kidney Disease
- Autosomal Dominant Polycystic Kidney Disease
- Autosomal Recessive Polycystic Kidney Disease
- Bladder Exstrophy
- Bladder Trauma
- Bulbourethral Glands
- Clear Cell Sarcoma of Kidney
- Cloacal Exstrophy
- Cloacal Malformation
- Congenital Adrenal Hyperplasia
- Congenital Megacalyces
- Congenital Megaureter
- Cowper Duct Syringocele
- Cowper Glands – see Bulbourethral Glands
- Cross Fused Ectopia – see Kidney Ectopic
- Cryptorchidism – see Testicle Undescended
- Cystic Renal Dysplasia
- Cystitis Cyclophosphamide Induced
- Dromedary Hump
- Eagle Barrett Syndrome – see Prune Belly Syndrome
- Epididimitis – see Epididimo-Orchitis
- Epididimo-Orchitis
- Epididymal Cyst
- Epispadias
- Fungal Ball of Urinary Tract
- Ganglioneuroblastoma – see Neuroblastoma
- Ganglioneuroma – see Neuroblastoma
- Hydrocele
- Hydrocele of Canal of Nuck
- Hydrocele of Spermatic Cord
- Hydrometrocolpos
- Hypertrophied Column of Bertin
- Hypospadias
- Keratocyst – see Testicular Epidermoid Cyst
- Kidney Agenesis
- Kidney Duplex – see Kidney Duplicated
- Kidney Duplicated
- Kidney Ectopic
- Kidney Fetal Lobulations
- Kidney Horseshoe
- Kidney Intrathoracic
- Kidney Pelvic – see Kidney Ectopic
- MCDK – see Multicystic Dysplastic Kidney
- Megacystic-microcolon Intestinal Hypoperistalsis Syndrome
- Mesoblastic Nephroma
- Mullerian Duct Anomalies
- Multicystic Dysplastic Kidney
- Multilocular Cystic Nephroma – see Pediatric Cystic Nephroma
- Multilocular Cystic Renal Tumor – see Pediatric Cystic Nephroma
- Nephroblastomatosis
- Nephrocalcinosis
- Nephrolithiasis
- Neuroblastoma
- Neuroblastoma Stage 4S | Neuroblastoma Stage MS
- Neurogenic Bladder
- NGB – see Neurogenic Bladder
- Nutcracker Syndrome
- Oligohydramnios
- Orchitis – see Epididimo-Orchitis
- Ovarian Cyst
- Ovarian Cyst Neonatal
- Ovarian Cystadenoma
- Ovarian Dysgerminoma
- Ovarian Granulosa Tumor
- Ovarian Teratoma
- Ovarian Tumor
- Paraovarian Cyst
- PCOS – see Polycystic Ovarian Syndrome
- Pediatric Cystic Nephroma
- Pheochromocytoma
- Polycystic Ovarian Syndrome
- Posterior Urethral Valves
- Pregnancy Ectopic
- Pregnancy Intrauterine
- Primary Megaureter – see Megaureter Congenital
- Prostatic Utricle Cyst
- Prune Belly Syndrome
- PUV – see Posterior Urethral Valves
- Pyelonephritis Acute
- Pyelonephritis Chronic
- RAS – see Renal Artery Stenosis
- Renal Abscess
- Renal Agenesis – see Kidney Agenesis
- Renal Artery Stenosis
- Renal Artery Thrombosis
- Renal Ectopia – see Kidney Ectopic
- Renal Stones – see Nephrolithiasis
- Renal Cyst
- Renal Milk of Calcium Cyst
- Renal Trauma
- Renal Vein Thrombosis
- Retroperitoneal Fasciitis
- Retroperitoneal Hematoma
- Rhabdoid Tumor
- Rhabdomyosarcoma Genitourinary
- Rhabdomyosarcoma Paratesticular
- RVT – see Renal Vein Thrombosis
- Scrotolith
- Seminal Vesicle Cyst
- Sickle Cell Disease Genitourinary
- Spinning Top Urethra
- Tamm Horsfall Proteins
- Teratoma Retroperitoneal
- Testicle Trauma
- Testicle Tumor
- Testicle Undescended
- Testicular Adrenal Rest
- Testicular Epidermoid Cyst
- Testicular Microlithiasis
- Torsion Appendix Testis and Torsion Appendix Epididymis
- Torsion Ovarian
- Torsion Testicle
- Umbilical Granuloma
- UPJ Obstruction – see Ureteropelvic Junction Obstruction
- Urachal Remnant
- Ureteral Stricture
- Ureteral Trauma
- Ureteral Valve
- Ureterocele Ectopic
- Ureterocele Orthotopic
- Ureteropelvic Junction Obstruction
- Ureterovesical Junction Obstruction – see Megaureter Congenital
- Urethral Atresia
- Urethral Stricture
- Urethral Trauma
- Urogenital Sinus
- Urolithiasis – see Nephrolithiasis
- Uterus Under Maternal Stimulation of Estrogen
- Utricular cyst – see Prostatic Utricle Cyst
- UVJ Obstruction – see Megaureter Congenital
- Vaginal Trauma
- Varicocele
- Vesicoureteral Reflux
- VUR – see Vesicoureteral Reflux
- Wilms Tumor
- Wolman Disease
- ABC – see Aneurysmal Bone Cyst
- Abscess Subcutaneous
- Achondroplasia
- Adamantinoma
- ADAM Complex (Amniotic Deformity, Adhesion, Mutilation) – see Amniotic Band Syndrome
- AIS – see Scoliosis Adolescent Idiopathic
- Amniotic Band Syndrome
- Aneurysmal Bone Cyst
- Angiolipoma
- Anomalous Osseous Limb
- Askin Tumor – see Ewing Sarcoma
- Asphyxiating Thoracic Dystrophy
- Avascular Necrosis of Femoral Head – see Legg-Calve-Perthes Disease
- Avascular Necrosis
- AVN of Femoral Head – see Legg-Calve-Perthes Disease
- Baker Cyst – see Popliteal Cyst
- Beckwith-Wiedemann Syndrome
- Block Vertebra – see Vertebral Body Anomaly
- Blount Disease
- Blue Rubber Bleb Nevus Syndrome
- Bowhunter Syndrome – see Rotational Vertebral Artery Occlusion Syndrome
- Bowing Deformity – see Fracture Bowing
- Brodie Abscess – see Osteomyelitis Subacute
- Butterfly Vertebra – see Vertebral Body Anomaly
- Caffey Disease – see Infantile Cortical Hyperostosis
- Calcaneal Apophysitis – see Sever Disease
- Campomelic Dwarf – see Campomelic Dysplasia
- Campomelic Dysplasia
- Camurati-Englemann Disease
- Cellulitis
- Child Abuse Musculoskeletal Injury
- Chondroblastoma
- Chondrodysplasia Punctata
- Chondroectodermal Dysplasia
- Chondromyxoid Fibroma
- Chondrosarcoma
- Cleidocranial Dysostosis
- Clubfoot
- Coalition Carpal
- Coalition Tarsal
- Congenital Insensitivity To Pain
- Copper Deficiency
- Cortical Desmoid
- CRMO – see Osteomyelitis Chronic Recurrent Multifocal
- Cystic Hygroma – see Lymphatic Malformation
- DDH – see Developmental Dysplasia of the Hip
- Dermatomyositis
- Developmental Dysplasia of the Hip
- Diastrophic Dysplasia
- Disc Herniation
- Dislocation Hip Traumatic
- Dislocation Knee
- Dislocation Patellar
- Dislocation Shoulder Anterior
- Dislocation Shoulder Posterior
- Dislocation Sternoclavicular Joint
- Distal Femoral Metaphyseal Irregularity – see Cortical Desmoid
- Down Syndrome – see Trisomy 21
- Dyschondrosteosis
- Dysplasia Epiphysealis Capitis Femoris – see Meyer Dysplasia
- Dysplasia Epiphysealis Hemimelica – see Trevor Disease
- EG – see Langerhans Cell Histiocytosis
- Ellis-van Creveld Syndrome – see Chondroectodermal Dysplasia
- Enchondroma
- Enchondromatosis – Maffucci Syndrome
- Enchondromatosis – Ollier Disease
- Eosinophilic Granuloma – see Langerhans Cell Histiocytosis
- Epithelioid Sarcoma
- Ewing Sarcoma
- Exostoses Multiple Heriditary – see Osteochondromatosis
- Exostosis – see Osteochondroma
- Extramedullary Hematopoiesis
- FCD – see Fibrous Cortical Defect
- Fibromatosis
- Fibrosarcoma
- Fibrosarcoma, Infantile
- Fibrous Cortical Defect – see Non Ossifying Fibroma
- Fibrous Dysplasia
- Fibrous Dysplasia – Polyostotic
- Foreign Body in Soft Tissues
- Fracture Bowing
- Fracture Boxer
- Fracture Clavicle
- Fracture Colles
- Fracture Complete
- Fracture Dating
- Fracture Elbow
- Fracture Fifth Metatarsal
- Fracture Fifth Metatarsal Apophysis
- Fracture Gamekeeper Thumb
- Fracture Greenstick
- Fracture Growth Plate – see Fracture Salter-Harris
- Fracture Mallet Finger
- Fracture Metatarsal
- Fracture Patella
- Fracture Pathologic
- Fracture Pelvis
- Fracture Pelvis and Hip Apophyseal Avulsion
- Fracture Phalanx in Hand
- Fracture Phalanx in Foot
- Fracture Plastic – see Fracture Bowing
- Fracture Posterior Malleolus
- Fracture Proximal Humerus
- Fracture Reverse Segond
- Fracture Rib
- Fracture Salter-Harris
- Fracture Scaphoid
- Fracture Segond
- Fracture Sternum
- Fracture Stress
- Fracture Talus
- Fracture Tibial Plateau
- Fracture Tibial Spine
- Fracture Tibial Tuberosity Avulsion
- Fracture Tillaux
- Fracture Toddler
- Fracture Torus
- Fracture Trampoline
- Fracture Trimalleolar
- Fracture Triplane
- Fracture Dislocation Galeazzi
- Fracture Dislocation Lisfranc
- Fracture Dislocation Monteggia
- Freiberg Disease
- Ganglion Cyst / Synovial Cyst
- Giant Cell Tumor
- Gorham Disease
- Gorlin Syndrome
- Growth Arrest Lines
- Hemangioma Soft Tissue
- Hematoma Intramuscular
- Hemivertebra – see Vertebral Body Anomaly
- Hemophilia
- Herniation Nucleus Pulposus – see Disc Herniation
- Histiocytosis X – see Langerhans Cell Histiocytosis
- HNP – see Disc Herniation
- Holt-Oram Syndrome
- Hunter Syndrome
- Hurler Syndrome
- HX – see Langerhans Cell Histiocytosis
- Hyperparathyroidism Primary
- Hyperparathyroidism Secondary
- Hypervitaminosis A
- Hypocupremia – see Copper Deficiency
- Hypoparathyroidism
- Hypothyroidism Congenital
- Hypovitaminosis C – see Scurvy
- Intraabdominal Desmoid – see Fibromatosis
- Infantile Cortical Hyperostosis
- Ischiopubic Synchondrosis Asymmetry
- Jaffe-Campanacci Syndrome – see Osteofibrous Dysplasia
- Jeune Syndrome – see Asphyxiating Thoracic Dystrophy
- JIA – see Juvenile Idiopathic Arthritis
- Jones Fracture – see Fracture Fifth Metatarsal
- JRA – see Juvenile Idiopathic Arthritis
- Juvenile Idiopathic Arthritis
- Juvenile Rheumatoid Arthritis – see Juvenile Idiopathic Arthritis
- Kienbock Disease
- Klippel-Trenaunay Syndrome
- Knee Joint Effusion
- Kohler Disease
- Langerhans Cell Histiocytosis
- Lead Poisoning
- Legg-Calve-Perthes Disease
- Lipoblastoma
- Lipoma
- Liposarcoma
- Little Leaguer Elbow
- Little Leaguer Shoulder
- Lyme Disease
- Lymphatic Malformation
- Madelung Deformity
- Marble Bone Disease – see Osteopetrosis
- Marrow Conversion
- Mechanical Back Pain
- Medial Epicondyle Apophysitis – see Little Leaguer Elbow
- Melorheostosis
- Menkes Disease
- Menkes Kinky Hair Syndrome – see Menkes Disease
- Mesenchymal Hamartoma of Chest Wall
- Metachondromatosis
- Metastasis Bone
- Meyer Dysplasia
- Morquio Syndrome
- MPS – see Mucopolysaccharidoses
- Mucopolysaccharidoses
- Multiple Myeloma
- Myofibroma
- Myositis
- Myositis Ossificans
- Necrotizing Fasciitis
- NOF – see Non Ossifying Fibroma
- Non-accidental Trauma Musculoskeletal Injury – see Child Abuse Musculoskeletal Injury
- Non Ossifying Fibroma
- OCD of the Elbow – see Osteochondritis Dissecans of the Elbow
- OCD of the Knee – see Osteochondritis Dissecans of the Knee
- OI – see Osteogenesis Imperfecta
- Osgood-Schlatter Disease
- Osteitis Pubis
- Osteoblastoma
- Osteochondritis Dissecans of the Elbow
- Osteochondritis Dissecans of the Knee
- Osteochondroma
- Osteochondromatosis
- Osteofibrous Dysplasia
- Osteogenesis Imperfecta
- Osteoid Osteoma
- Osteomyelitis Neonatal
- Osteomyelitis Acute Beyond Neonatal To 18 Months
- Osteomyelitis Acute Greater Than 18 Months
- Osteomyelitis Subacute
- Osteomyelitis Chronic
- Osteomyelitis Chronic Recurrent Multifocal
- Osteomyelitis Discitis
- Osteomyelitis Tuberculous
- Osteopetrosis
- Osteosarcoma Conventional
- Osteosarcoma Surface
- Osteosarcoma Telangiectatic
- Panner Disease
- Parkes Weber Syndrome
- Perthes disease – see Legg-Calve-Perthes Disease
- Physiologic Periosteal Reaction
- Pigmented Villonodular Synovitis
- Pilomatricoma
- Pilomatrixoma – see Pilomatricoma
- Plumbism – see Lead Poisoning
- PNET – see Ewing Sarcoma
- Polydactyly
- Popliteal Cyst
- Pott Disease – see Osteomyelitis Tuberculous
- Preiser Disease
- Primitive Neuroectodermal Tumor – see Ewing Sarcoma
- Progressive Diaphyseal Dysplasia – see Camurati-Englemann Disease
- Prostaglandin Osteopathy
- Proximal Focal Femoral Deficiency
- Proximal Humeral Epiphysiolysis – see Little Leaguer Shoulder
- Pseudoarthrosis of Clavicle
- Pseudohypoparathyroidism
- Psoriatic Arthritis
- PVNS – see Pigmented Villonodular Synovitis
- Pubic symphysitis – see Osteitis Pubis
- Pyknodysostosis
- Renal Osteodystrophy – see Hyperparathyroidism Secondary
- Rhabdomyosarcoma Musculoskeletal
- Rib Bifid
- Rib Cervical
- Rib Fusion
- Rickets Hereditary Hypophosphatemic
- Rickets Renal – see Hyperparathyroidism Secondary
- Rickets Vitamin D Deficiency
- Rotational Vertebral Artery Occlusion Syndrome
- Rubella
- Sacroiliitis
- SCFE – see Slipped Capital Femoral Epiphysis
- Scheuermann Disease
- Scleroderma
- Scoliosis Adolescent Idiopathic
- Scoliosis Abnormal Adolescent Idiopathic
- Scoliosis Congenital
- Scoliosis Neuromuscular
- Scoliosis Painful
- Scoliosis Post Radiation
- Scurvy
- SED – see Spondyloepiphyseal Dysplasia
- Septic Arthritis of Hip
- Septic Hip – see Septic Arthritis of Hip
- Sever Disease
- Short Rib Polydactyly Syndrome
- Sickle Cell Disease Musculoskeletal
- Simple Bone Cyst – see Unicameral Bone Cyst
- Sindig-Larsen-Johansson Disease
- Slipped Capital Femoral Epiphysis
- Spondyloepiphyseal Dysplasia
- Spondylolisthesis
- Spondylolysis
- Spondylothoracic Dysostosis
- Sprengel Deformity
- Symbrachydactyly
- Syndactyly
- Synovial Sarcoma
- Syphilis
- Systemic Lupus Erythematosus
- Talipes Equinovarus – see Clubfoot
- Thalassemia
- Thanatophoric Dysplasia
- Thrower Elbow – see Little Leaguer Elbow
- Tibia Vera – see Blount Disease
- Toxic Synovitis – see Transient Synovitis of Hip
- Transient Synovitis of Hip
- Trevor Disease
- Trisomy 18
- Trisomy 21
- UBC – see Unicameral Bone Cyst
- Unicameral Bone Cyst
- Vanishing Bone Disease – see Gorham Disease
- Vascular Malformation
- Venolymphatic Malformation – see Lymphatic Malformation
- Vertebral Body Anomaly
- Abscess Danger Space
- Abscess Intratonsillar
- Abscess Parapharyngeal
- Abscess Periapical
- Abscess Peritonsillar
- Abscess Retropharyngeal
- Accessory Suture of Skull
- Acoustic Neuroma
- Acute Cerebellitis
- Acute Disseminated Encephalomyelitis
- Acute Ischemic Stroke
- AAI – see Atlanto Axial Instability
- ADEM – see Acute Disseminated Encephalomyelitis
- Adrenoleukodystrophy
- Agenesis of Corpus Callosum
- Anencephaly
- Aneurysm Intracranial
- Anophthalmia
- Antrochoanal Polyp
- Aplasia Cutis
- Aqueductal Stenosis
- Arachnoid Cyst
- Arachnoid Cyst of Posterior Fossa
- Arachnoid Granulations
- Arrested Pneumatization of the Skull Base
- Astrocytoma Cerebellar
- Astrocytoma Spinal Cord
- Astrocytoma Supratentorial
- Atlanto Axial Instability
- Atlanto Axial Rotatory Subluxation
- Atlanto-Occipital Dissociation
- Atlanto Occipital Instability
- AT/RT – see Atypical Teratoid Rhabdoid Tumor
- Atretic Cephalocele
- Atypical Teratoid Rhabdoid Tumor
- AVM Intracranial – see Intracranial Arteriovenous Malformation
- Avulsion Pseudomeningocele
- Basilar Invagination
- BEH – see Benign Enlargement of the Subarachnoid Space
- Benign Enlargement of the Subarachnoid Space
- Benign Enlargement of the Subarachnoid Space in Infancy – see Benign Enlargement of the Subarachnoid Space
- Benign External Hydrocephalus – see Benign Enlargement of the Subarachnoid Space
- BESS – see Benign Enlargement of the Subarachnoid Space
- BESSI – see Benign Enlargement of the Subarachnoid Space
- Bezold Abscess
- Blake Pouch Cyst
- Brachial Plexus Birth Palsy – see Avulsion Pseudomeningocele
- Brainstem Glioma
- Branchial Cleft Cyst First
- Branchial Cleft Cyst Second
- Branchial Cleft Cyst Third
- Branchial Cleft Cyst Fourth
- Brass Beaten Skull – see Copper Beaten Skull
- Buphthalmos – see Macrophthalmia
- C1-C2 Subluxation – see Atlanto Axial Rotatory Subluxation
- C2-C3 Pseudosubluxation – see Pseudosubluxation of Cervical Spine
- Calvarial Thickening
- Caput Succedaneum
- Caudal Regression Syndrome
- Cavernoma – see Cavernous Malformation
- Cavernous Malformation
- Cavum Septum Pellucidum
- Cavum Velum Interpositum
- Cavum Vergae
- Cephalocele
- Cephalohematoma
- Cerebral Abscess see Cerebritis and Cerebral Abscess
- Cerebral Atrophy
- Cerebral Contusion
- Cerebral Edema Diffuse
- Cerebritis and Cerebral Abscess
- Cerebropinal Fluid Leak
- Cerebrospinal Fluid Pseudocyst – see CSFoma
- Chiari I Malformation
- Chiari II Malformation
- Chiari III Malformation
- Child Abuse Neurological Injury
- Choanal Atresia
- Cholesteatoma
- Chordoma
- Choroid Plexus Carcinoma
- Choroid Plexus Cyst
- Choroid Plexus Hemorrhage
- Choroid Plexus Papilloma
- Cloverleaf Skull
- Coat Disease
- CMV Encephalitis – see Encephalitis Cytomegalovirus
- Colloid Cyst of Third Ventricle
- Coloboma
- Congenital Developmental Anomalies of Cervical Spine
- Congenital Lymphocytic Choriomeningitis
- Connatal Cyst
- Coarctation of Lateral Ventricles – see Connatal Cyst
- Copper Beaten Skull
- Craniopharyngioma
- Craniosynostosis
- Cryptococcosis
- CSFoma
- CSF Pseudocyst – see CSFoma
- Cysticercosis
- Dacrocystocele
- Dacryoadenitis
- DAI – see Diffuse Axonal Injury
- Dandy Walker Malformation
- Dandy Walker Variant
- Dentigerous Cyst
- Dermoid
- Dermoid Cyst – see Dermoid
- Dermoid Nasal
- Desmoplastic Infantile Ganglioglioma
- Developmental Venous Anomaly
- Diastematomyelia
- Diffuse Axonal Injury
- Diffuse Leptomeningeal Glioneuronal Tumor
- DIG – see Desmoplastic Infantile Ganglioglioma
- Diffuse Intrinsic Pontine Glioma – see Brainstem Glioma
- DIPG – see Brainstem Glioma
- Dissection Internal Carotid Artery
- Dissection Vertebral Artery
- DNET – see Dysembryoplastic Neuroepithelial Tumor
- Dural Venous Sinus Thrombosis
- DVA – see Developmental Venous Anomaly
- DVST – see Dural Venous Sinus Thrombosis
- Dysembryoplastic Neuroepithelial Tumor
- Dysplastic Cerebellar Gangliocytoma – see Lhermitte-Duclos Disease
- Echogenic Caudate Nucleus
- Ectopic Neurohypophysis – see Ectopic Posterior Pituitary
- Ectopic Posterior Pituitary
- EDH – see Hematoma Epidural
- EG of Orbit – see Langerhans Cell Histiocytosis of Orbit
- EG of Pituitary – see Langerhans Cell Histiocytosis of Pituitary
- Empty Sella
- Encephalitis Cytomegalovirus
- Encephalitis Herpes Simplex Virus-1
- Encephalitis Herpes Simplex Virus-2
- Encephalitis Human Immunodeficiency Virus
- Encephalitis Rasmussen
- Encephalitis Toxoplasmosis
- Encephalotrigeminal Angiomatosis – see Sturge-Weber Syndrome
- Eosinophilic Granuloma of Orbit – see Langerhans Cell Histiocytosis of Orbit
- Eosinophilic Granuloma of Pituitary – see Langerhans Cell Histiocytosis of Pituitary
- Ependymoma Infratentorial
- Ependymoma Spinal Cord
- Ependymoma Supratentorial
- Epidermal Inclusion Cyst of Tongue
- Epidermoid Cyst – see Dermoid
- External Occipital Protuberance
- Fatty Filum Terminale – see Lipoma of the Filum Terminale
- Fibromatosis Colli
- Filar Cyst
- Filar Lipoma – see Lipoma of the Filum Terminale
- Focal Cortical Dysplasia
- Follicular Thyroid Adenoma
- Fracture Cervical Spine
- Fracture Cervical Spine Clay Shoveler
- Fracture Cervical Spine Hangman
- Fracture Cervical Spine Jefferson
- Fracture Coccyx
- Fracture Le Fort
- Fracture Lumbar Spine
- Fracture Lumbar Spine Chance
- Fracture Mandibular
- Fracture Mastoid
- Fracture Nasal Bone
- Fracture Orbital Blowout
- Fracture Sacral
- Fracture Skull
- Fracture Temporal Bone
- Fracture Thoracic Spine
- Fracture Tripod
- Frontal Horn Cyst – see Connatal Cyst
- Ganglioglioma
- Ganglioglioma Spinal Cord
- Germinal Matrix Hemorrhage – see Hemorrhage Intraventricular Neonatal
- Glioblastoma
- Gliomatosis Cerebri
- Glioneuronal Tumor
- Globe Rupture
- Graves Disease
- Guillain-Barre Syndrome
- Hamartoma of the Tuber Cinereum
- Hammer Beaten Skull – see Copper Beaten Skull
- Hashimoto Thyroiditis
- Hemangioblastoma
- Hemangioma Subglottic
- Hemangioma Vertebral
- Hematoma Epidural
- Hematoma Subdural
- Hematoma Subgaleal
- Hemimegalencephaly
- Hemorrhage Cerebellar
- Hemorrhage Cerebellar Neonatal
- Hemorrhage Intracerebral
- Hemorrhage Intraparenchymal – see Hemorrhage Intracerebral
- Hemorrhage Intraventricular Neonatal
- Hemorrhage Intraventricular Non-Neonatal
- Hemorrhage Subarachnoid
- Heterotopia
- HIE – see Hypoxic Ischemic Encephalopathy
- Histiocytosis X of Orbit – see Langerhans Cell Histiocytosis of Orbit
- HIV Encephalitis – Encephalitis Human Immunodeficiency Virus
- Holoprosencephaly
- HSV-1 Encephalitis – see Encephalitis Herpes Simplex Virus-1
- HSV-2 Encephalitis – see Encephalitis Herpes Simplex Virus-2
- HX of Orbit – see Langerhans Cell Histiocytosis of Orbit
- HX of Pituitary – see Langerhans Cell Histiocytosis of Pituitary
- Hydranencephaly
- Hypothalamic Hamartoma – see Hamartoma of the Tuber Cinereum
- Hypoxic Ischemic Encephalopathy
- Idiopathic Intracranial Hypertension
- IIH – see Idiopathic Intracranial Hypertension
- Idiopathic Orbital Inflammation
- Intracranial Arteriovenous Malformation
- Intracranial Germinoma
- Intraventricular Hemorrhage Grade I, Intraventricular Hemorrhage Grade II, Intraventricular Hemorrhage Grade III – see Hemorrhage Intraventricular Neonatal
- Intraventricular Hemorrhage Grade IV – see Periventricular Hemorrhagic Infarct
- Intraventricular Simple Cyst
- IVH Grade I, IVH Grade II, IVH Grade III – see Hemorrhage Intraventricular Neonatal
- IVH Grade IV – see Periventricular Hemorrhagic Infarct
- IVH Non-Neonatal – see Hemorrhage Intraventricular Non-Neonatal
- JNAF – see Juvenile Nasopharyngeal Angiofibroma
- Joubert Syndrome
- Juvenile Nasopharyngeal Angiofibroma
- Juvenile Pilocytic Astrocytoma – see Astrocytoma Cerebellar
- Kernicterus
- Kleeblattschadel – see Cloverleaf Skull
- Klippel-Feil Syndrome
- Lacunar Skull
- Langerhans Cell Histiocytosis of Orbit
- Langerhans Cell Histiocytosis of Pituitary
- Laryngeal Cyst
- LCM – see Congenital Lymphocytic Choriomeningitis
- Lemierre Syndrome
- Lenticulostriate Vasculopathy
- Lhermitte-Duclos Disease
- Lipoma of the Filum Terminale
- Lipomyelomeningocele
- Lissencephaly Type I Classic
- Lissencephaly Type II Cobblestone
- Luckenschadel – see Lacunar Skull
- Lymphadenopathy
- Macrophthalmia
- Malignant Peripheral Nerve Sheath Tumor
- Mastoiditis Acute
- Medulloblastoma
- Mega Cisterna Magna
- Meningitis Bacterial
- Meningitis Group B Streptococcus
- Meningitis Streptoccus Pneumoniae
- Meningitis Tubercular
- Meningocele
- Mesial Temporal Sclerosis
- Metachromatic Leukodystrophy
- Metastasis Brain
- Microphthalmia
- Mineralizing Vasculopathy – see Lenticulostriate Vasculopathy
- MMC – see Myelomeningocele
- Molar Tooth Midbrain-Hindbrain Malformation – see Joubert Syndrome
- Moya Moya Disease
- Moya Moya Syndrome
- Myelinoclastic Sclerosis – see Schilders Disease
- Myelocele
- Myelomeningocele
- Myeloschisis – see Myelocele
- Nasal Glial Heterotopia – see Nasal Glioma
- Nasal Glioma
- Neurenteric Cyst
- Neurocutaneous Melanosis
- NF-1 – see Neurofibromatosis Type 1
- NF-2 – see Neurofibromatosis Type 2
- Neurofibromatosis Type 1
- Neurofibromatosis Type 2
- Non-accidental Trauma Neurological Injury – see Child Abuse Neurological Injury
- Odontogenic Keratocyst
- Oligodendroglioma
- ONG – see Optic Pathway Glioma
- OPG – see Optic Pathway Glioma
- Optic Nerve Glioma – see Optic Pathway Glioma
- Optic Neuritis
- Optic Pathway Glioma
- Orbital Cellulitis
- Orbital Pseudotumor – see Idiopathic Orbital Inflammation
- Os Odontoideum
- Pacchionian Granulations – see Arachnoid Granulations
- Pachygyria
- Parietal Foramina
- Parotitis
- Pars Intermedia Cyst – see Rathke Cleft Cyst
- PAS – see Pyriform Aperture Stenosis
- Periventricular Hemorrhagic Infarct
- Periventricular Leukomalacia
- Persistent Hyperplastic Primary Vitreous
- PHPV – see Persistent Hyperplastic Primary Vitreous
- Pierre Robin Syndrome
- Pineal Cyst
- Pineoblastoma
- Pituitary Macroadenoma
- Pituitary Microadenoma
- Pituitary Stalk Interruption Syndrome
- Platybasia
- Pleomorphic Adenoma
- Pleomorphic Xanthoastrocytoma
- Plexiform Neurofibroma
- Polymicrogyria
- Pontocerebellar Hypoplasia
- Porencephalic Cyst – see Porencephaly
- Porencephaly
- Positional Plagiocephaly
- Posterior Reversible Encephalopathy Syndrome
- Pott Puffy Tumor
- PRES – see Posterior Reversible Encephalopathy Syndrome
- PNET Supratentorial – see Primitive Neuroectodermal Tumor Supratentorial
- Primitive Neuroectodermal Tumor Supratentorial
- Pseudosubluxation of Cervical Spine
- Pseudotumor Cerebri – see Idiopathic Intracranial Hypertension
- PVHI – see Periventricular Hemorrhagic Infarct
- PVL – see Periventricular Leukomalacia
- PXA – see Pleomorphic Xanthoastrocytoma
- Pyriform Aperture Stenosis
- Rathke Cleft Cyst
- Retinoblastoma
- Retinopathy Of Prematurity
- Rhabdomyosarcoma Head and Neck
- Sacral Agenesis – see Caudal Regression Syndrome
- SAH – see Hemorrhage Subarachnoid
- Schilders Disease
- Schizencephaly
- Schmorl Nodes
- Schwannoma
- SCIWORA – see Spinal Cord Injury Without Radiological Abnormality
- SDH – see Hematoma Subdural
- Septo-optic dysplasia – see Holoprosencephaly
- Sickle Cell Disease Neurological
- Silent Sinus Syndrome
- Sinusitis
- Sinus Pericranii
- Skull Molding
- Spinal Cord Injury Without Radiological Abnormality
- Spinal Epidural Abscess
- Spinal Epidural Hematoma
- Spinal Subdural Hematoma
- Spontaneous Craniospinal Hypotension – see Spontaneous Intracranial Hypotension
- Spontaneous Intracranial Hypotension
- SSPE – see Subacute Sclerosing Panencephalitis
- Sturge-Weber Syndrome
- Subacute Sclerosing Panencephalitis
- Subdural Empyema and Epidural Empyema
- Subependymal Cyst
- Subpial Hemorrhage
- SWS – see Sturge-Weber Syndrome
- Tectal Glioma
- Teratoma Central Nervous System
- Teratoma Sacrococcygeal
- TDC – see Thyroglossal Duct Cyst
- Tethered Cord
- Thalamostriate Vasculopathy – see Lenticulostriate Vasculopathy
- Thyroglossal Duct Cyst
- Thyroid Cancer
- Thyroid Ectopic
- Tonsillar Hypertrophy Adenoid
- Tonsillar Hypertrophy Lingual
- Tonsillar Hypertrophy Palatine
- Torticollis Tumor – see Fibromatosis Colli
- Transverse Myelitis
- TS – see Tuberous Sclerosis
- Tuberous Sclerosis
- Vein of Galen Malformation
- Ventriculoperitoneal Shunt Malfunction
- VP Shunt Malfunction – see Ventriculoperitoneal Shunt Malfunction
- Ventriculus Terminalis
- Vermian Aplasia – see Joubert Syndrome
- Vestibular Schwannoma – see Acoustic Neuroma
- VHL – see Von Hippel Lindau Disease
- Von Hippel Lindau Disease
- Wormian Bones