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Flashcards in GI - Colitis Deck (17):

Differential diagnosis for colitis?

1. Ischemic
2. Infectious
3. Radiation
4. IBD
5. Mesenteric


Mesenteric ischemia – typical patient?

Patient older than 50 years, with known atherosclerotic vascular disease. Pain is he cute and often after meals. No fever.


IBD is most commonly diagnosed at what age groups?

Bimodal: 15 to 25, and 60 to 70 year of age


Anemia in IBD due to?

1. Iron deficiency anemia from bleeding
2. Anemia of chronic disease


IBD that presents with grossly bloody stool?

Ulcerative colitis


IBD that can present anal fissures and nonhealing ulcers?

Crohn's disease


IBD that can present with strictures caused by fibrosis which leads to?

Crohn's disease. Can lead to bowl obstruction


Extraintestinal manifestations: Crohn's disease Chris's ulcerative colitis
1. Skin
2. Joints
3. Ocular
4. Hepatobiliary
5. Urologic

1. Erythema nodosum versus erythema nodosum/pyoderma gangrenosum
2. Asymmetric arthritis/ankylosing spondylitis versus less
3. Uveitis for both
4. Cholelithiasis fatty liver versus fatty liver/primary sclerosing cholangitis
5. Nephrolithiasis verses nothing


Treatments used in Mild–moderate and moderate–severe ulcerative colitis?

Mild-moderate: Sulfasalazine/Mesalamine
Moderate – severe: Corticosteroids


Treatments used in severe ulcerative colitis?

Severe: 6MP, azathioprine, methotrexate, infliximab


When is surgery performed for ulcerative colitis?

Carcinoma, toxic megacolon, perforation, uncontrollable bleeding


Definition of toxic megacolon? Associated with?

Colon Dilated >6 cm.

Gen: Fever, leukocytosis
heart: tachycardia, hypertension, CNS: altered mental status


Patient arrives with suspected toxic megacolon - immediate management?

1. IV fluids
2. NG tube
3. IVM biotics (in anticipation perforation)
4. IV steroids


Patients with ulcerative colitis should begin getting annual colonoscopies when?

8 years after diagnosis of pancolitis


Patients with IBD are at an increased risk for what bile duct pathology?

Primary sclerosing cholangitis


Crohn's disease v ulcerative colitis
1. Site of origin
2. Pattern
3. Thickness
4. Sx

1. Terminal ileum versus rectum
2. Skip lesions versus continuous
3. Transmural versus mucosal
4. Cramps versus bloody diarrhea


Crohn's disease versus ulcerative colitis
1. complications
2 radiographic findings
3 risk of colon cancer
4. surgery used for?

1. Fistulas/abscess/extraction versus hemorrhage/toxic megacolon
2. String sign versus leadpipe:
3. Slight increase verses marked increase
4. Strictures versus cure

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