Question

A 10-month-old boy presents with intermittent severe crying, drawing up of legs and vomiting. On examination he has a palpable sausage-shaped mass in the right upper abdomen and red currant jelly stool on rectal exam. What is the most appropriate initial imaging modality?

Accepted Answer

Abdominal ultrasound

Answer

Plain abdominal X-ray only

Answer

CT abdomen with contrast

Answer

Barium enema

Answer

No imaging; proceed directly to laparotomy

Practice question

A 10-month-old boy presents with intermittent severe crying, drawing up of legs and vomiting. On examination he has a palpable sausage-shaped mass in the right upper abdomen and red currant jelly stool on rectal exam. What is the most appropriate initial imaging modality?