Crohn's vs. Ulcerative colitis

Question 1

Terminal ileum

Answer 1

hallmark location of Crohn’s

Question 2

Involves the rectum in all cases

Answer 2

Ulcerative colitis

Question 3

Transmural involvement

Answer 3

Crohn’s

Question 4

Involves only mucosa and submucosa

Answer 4

Ulcerative colitis

Question 5

Can involve anywhere from anus to mouth

Answer 5

Crohn’s

Question 6

Confined to rectum and colon

Answer 6

Ulcerative colitis

Question 7

Fistulae and abscesses

Answer 7

Crohn’s

Question 8

Sclerosing cholangitis and colorectal cancer

Answer 8

Ulcerative colitis

Question 9

Toxic megacolon

Answer 9

Ulcerative colitis

Question 10

Bloody diarrhea

Answer 10

Ulcerative colitis

Question 11

Skip lesions - discontinuous involvement

Answer 11

Crohn’s

Question 12

No skip lesions - continuous involvement

Answer 12

Ulcerative colitis

Question 13

No cure, and recurrence is common even after surgery

Answer 13

Crohn’s

Question 14

Surgical treatment (total colectomy) is often curative

Answer 14

Ulcerative colitis

Question 15

Sulfasalazine (5-ASA) is used for both but is more effective in:

Answer 15

Ulcerative colitis

Question 16

Most common extraintestinal manifestation of Inflammatory Bowel Disease (UC and Crohn’s):

Answer 16

Arthritis

Question 17

Patients with ______ have 30x greater incidence of ankylosing spondylitis than the general population

Answer 17

Ulcerative colitis