Disorders of the Large Bowel

Question 1

Ischemic colitis presents with sudden onset _____ followed by ______

Answer 1

abdominal pain

hematochezia

Question 2

What early abdominal aortic aneurysm repair complication results in progressive abdominal pain and bloody diarrhea?

Answer 2

Colon ischemia (AKA ischemic colitis)

Question 3

What is the likely diagnosis in a patient with diverticulosis, pneumaturia, fecaluria, and frequent UTI?

Answer 3

Colovesical fistula

Question 4

What test/imaging study is used for diagnosis of acute diverticulitis?

Answer 4

CT scan (oral and IV contrast)

Question 5

Diverticulitis classically presents with a triad of:

Answer 5

• LLQ pain
• Fever
• Leukocytosis

Question 6

What is the next step in management of a patient with diverticulitis complicated by abscess:
- ≥ 4 cm =
- < 4 cm =

Answer 6

• IV antibiotics + CT-guided percutaneous drainage
• IV antibiotics alone

Question 7

What is the most common cause of hematochezia in adults?

Answer 7

Diverticulosis

Question 8

In which part of the colon does colorectal carcinoma most commonly arise?

Answer 8

Rectosigmoid region

Question 9

Colorectal carcinoma may be visualized as an ____ lesion seen on barium enema X-ray

Answer 9

“apple core”

Question 10

What is the likely diagnosis in a young woman with alternating constipation / diarrhea and chronic abdominal pain that is relieved after a bowel movement?

Answer 10

Irritable bowel syndrome