Other intestinal disorders

Question 1

Duodenal atresia

Answer 1

Causes early bilious vomiting with proximal stomach distention (double bubble on X ray)

Associated with Downs

Duodenal=Down

Question 2

Meconium ileus

Answer 2

CF

Question 3

Necrotizing entercolitis

Answer 3

Necrosis of intestinal mucosa and possible perf.
Colon usually involved, can involve entire GI tract
More common in preemies due to low immunity

Question 4

Ischemic colitis

Answer 4

Pain out of proportion
After eating, weight loss
Common at splenic flexure and distal colon.
Typically affects elderly.

Question 5

Adhesion

Answer 5

Fibrous band of scar tissue
Commonly forms after surgery
Most common cause of bowel obstruction
Well demarcated necrotic zone

Question 6

Angiodysplasia

Answer 6

Tortuous dilation of vessels => hematochezia
Most often in cecum, terminal ileum, and ascending colon.
Most common in older pts
Confirmed angiography.