Complicated Meconium Ileus

Etiology: In utero perforation of small bowel caused by ischemia (50%) or infection (25%) or cystic fibrosis (25%) resulting in chemical peritonitis
Imaging AXR: Calcifications along periphery of abdomen, liver capsule, spleen capsule
Imaging US: Calcified pseudocyst, complicated ascites
DDX:
Complications:
Treatment:
Clinical:

Radiology Cases of Complicated Meconium Ileus

AXR of complicated meconium ileus — AXR shows an obstructive bowel gas pattern and a thin network of calcifications extending throughout the lower abdomen.

AXR of complicated meconium ileus / meconium peritonitis — AXR shows displacement of much of the bowel to the left lower quadrant of the abdomen. Faint cresenteric calcifications are seen arcing upwards and downwards on the right side of the abdomen while an oval-shaped calcified object is seen on the left side of the abdomen at the level of the L1 and L2 vertebral bodies. Nodular appearing calcifications are scattered throughout the abdomen.

Radiology Cases of Complicated Meconium Ileus Status Post Diverting Colostomy At Birth Now Presenting For Reanastomosis a Year Later

Enema of a microcolon in complicated meconium ileus — AP image from an enema shows an unused microcolon.