IBD CIS

Question 1

3yo- painless rectal bleeding

Answer 1

-remnant of vitelline duct

Question 2

exacerbates crohns dz?

Answer 2

-smoking

Question 3

UC- at risk for?

Answer 3

• ankylosing spondylitis
• PSC–> cholangiocarcinoma!!!
• MS
• toxic megacolon

Question 4

“String sign”

Answer 4

CD

Question 5

CD- at risk for?

Answer 5

• kidney stones!!
• fistula!!
• small bowel adenocarcinoma!!

Question 6

CD and UC- serologic findings

Answer 6

• CD- ASCA, Anti Saccharomyces Cerevisiae Ab

- UC- p-ANCA

Question 7

CD- lab work?

Answer 7

elevated fecal calprotectin

Question 8

mimics appendicitis?

Answer 8

CD

Question 9

UC- xray appearance

Answer 9

-“lead pipe”- loss of haustra

Question 10

what evaluates the entire small bowel?

Answer 10

Magnetic resonance enterography

Question 11

CD- should avoid what in diet?

Answer 11

high fat foods- bile salts absorbed in TI!

Question 12

prevents recurrence of IBD

Answer 12

-Anti-TNF therapy

Question 13

appendectomy- reduced risk of?

Answer 13

UC

Question 14

20 yrs of IBD- best recommendation?

Answer 14

colonoscopy every yr!!

Question 15

dec risk of CRC?

Answer 15

-folic acid

Question 16

CD- recommendations

Answer 16

• stop smoking

- small, frequent, well balanced meal

Question 17

TI resection- need what?

Answer 17

• low fat diet (bile salts not absorbed)

- parenteral vit B12

Question 18

UC- vs CD

Answer 18

• mucosal
• colon only
• continuous lesions
• bloody diarrhea
• crypt abscess
• toxic megacolon!!! (no fistulas/fissures)
• ulcerated pseudopolyps
• smoking protective!!
• pANCA!!

Question 19

CD- vs UC

Answer 19

• transmural
• anywhere along GI tract- most common in TI!!
• skip lesions
• often w/o blood
• non-caseating granuloma
• strictures (“string sign”), obstruction, fistulas, fissures
• aphthous ulcers
• linear fissures
• “cobble-stoning”, “Creeping fat”
• smoking worsens the dz!!!
• ASCA!!!

Question 20

IBD- extraintestinal manifestations

Answer 20

• arthralgias, arthritis, iritis, uveitis, pyoderma gangrenosum, erythema nodosum
• oral aphthous lesions
• inc prevalence of gallstones- due to malabs of bile salts from TI