A Pediatric Radiology Textbook and Pediatric Radiology Digital Library
Pediatric Retroperitoneal Fasciitis
Etiology: Infection of retroperitonum that spreads through fascial planes and which may originate from intraperitoneal infections such as acute appendicitis
Imaging CT: — Retroperitoneal air — Asymmetrical retroperitoneal inflammation and enhancement — Non-focal retroperitoneal fluid collections including intrafascial collections
DDX:
Complications: Poor outcome
Treatment: Antibiotics and surgical debridgement
Clinical:
Radiology Cases of Retroperitoneal Fasciitis
Radiology Cases of Retroperitoneal Fasciitis Due to Perforated Appendicitis
Axial (above), coronal (below left) and sagittal (below right) CT without contrast of the abdomen shows a large of amount of air in the right posterior pararenal space with associated fat stranding. The appendix was normal in size and there was an appendicolith that was outside of the appendix (not provided).