Booklet Question 32
A crying 7 month old boy is brought in by his parents with episodic severe abdominal pain for 1 day. He has vomited three times. He has opened his bowels twice that day and his parents describe seeing some blood around the stool. There is no history of loose stool. He is afebrile but abdominal examination reveals a mass in the right side. What is the most likely diagnosis?