Small and Large Bowel II

Question 1

Colon only. Ulcerative colitis or Crohn’s disease?

Answer 1

Ulcerative colitis

Question 2

Skip lesions. Ulcerative colitis or Crohn’s disease?

Answer 2

Crohn’s disease

Question 3

Transmural involvement. Ulcerative colitis or Crohn’s disease?

Answer 3

Crohn’s disease

Question 4

Stricture. Ulcerative colitis or Crohn’s disease?

Answer 4

Crohn’s disease

Question 5

Thin wall appearance. Ulcerative colitis or Crohn’s disease?

Answer 5

Ulcerative colitis

Question 6

Marked Pseudopolyps. Ulcerative colitis or Crohn’s disease?

Answer 6

Ulcerative colitis

Question 7

Deep, knifelike ulcers. Ulcerative colitis or Crohn’s disease?

Answer 7

Crohn’s disease

Question 8

Fat/vitamin malabsorption. Ulcerative colitis or Crohn’s disease?

Answer 8

Crohn’s disease

Question 9

Perianal fistula. Ulcerative colitis or Crohn’s disease?

Answer 9

Crohn’s disease

Question 10

Malignancy potential. Ulcerative colitis or Crohn’s disease?

Answer 10

Ulcerative colitis

Crohn’s if colonic involvement

Question 11

Toxic megacolon. Ulcerative colitis or Crohn’s disease?

Answer 11

Ulcerative colitis

Question 12

Recurrence after surgery. Ulcerative colitis or Crohn’s disease?

Answer 12

Crohn’s disease

Question 13

Lymphoid reaction. Ulcerative colitis or Crohn’s disease?

Answer 13

Crohn’s disease

Question 14

Fibrosis and serositis. Ulcerative colitis or Crohn’s disease?

Answer 14

Crohn’s disease

Question 15

Granuloma. Ulcerative colitis or Crohn’s disease?

Answer 15

Crohn’s disease

Question 16

pANCA. Ulcerative colitis or Crohn’s disease?

Answer 16

Ulcerative colitis

Question 17

Cobblestoning. Ulcerative colitis or Crohn’s disease?

Answer 17

Crohn’s disease

Question 18

ASCA. Ulcerative colitis or Crohn’s disease?

Answer 18

Crohn’s disease

Question 19

What results in a diversion of short chain fatty acids from colonocytes?

Answer 19

Diversion colitis

Question 20

What results in telangiectatic vessels at the base of the lamina propria?

Answer 20

Radiation enterocolitis

Question 21

What results from bacterial overgrowth in the walls of the intestine of a premature infant?

Answer 21

Neonatal necrotizing enterocolitis

Question 22

What are the two types of microscopic colitis?

Answer 22

Lymphocytic colitis

Collagenous colitis

Question 23

What is the clinical presentation for the microscopic colitises?

Answer 23

Watery diarrhea, no blood

Normal colonoscopic exam

Question 24

Which microscopic colitis is characterized by increased lamina propria chronic inflammation and intraepithelial lymphocytes?

Answer 24

Lymphocytic colitis

Question 25

Which microscopic colitis is characterized by colagen deposits underneath the epithelium?

Answer 25

Collagenous colitis

Question 26

What drugs are implicated in drug induced enterocolitis?

Answer 26

NSAIDs
Chemotherapeutic agents
Antibiotics (C. difficile)

Question 27

What is defined as chronic, relapsing abdominal pain/discomfort/bloating and change of bowel habits in the absence of any causative agent?

Answer 27

Irritable bowel syndrome

Question 28

What are the three types of IBS?

Answer 28

Constipation predominant IBS
Diarrhea predominant IBS
Unsubtyped IBS

Question 29

What are some complications of sigmoid diverticulitis?

Answer 29

Abscess
Obstruction
Perforation
Fistula (25% present with these 4)

Question 30

What is defined as a rectal mucosal prolapse that ulcerates on the anterior rectal wall?

Answer 30

Solitary rectal ulcer syndrome

Question 31

What is the cause of solitary rectal ulcer syndrome?

Answer 31

Excessive straining