✅Gastrointestinal

Question 1

What is [Enteropathy associated T cell Lymphoma (EATL)] ?

Answer 1

Jejunal CANCER from [NON-COMPLIANT CELIAC DISEASE]

similar sx to celiac but long standing

Question 2

describe pathology for Crohn disease

Answer 2

transmural GI inflammation

Question 4

What type of diarrhea is associated with INCREASED stool osmotic gap > 125

Answer 4

Osmotic

ex: Lactose intolerance

Question 5

Where is the intestinal enzyme lactase located?

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cp for lactose intolerance? -2

Answer 5

Duodenal brush border

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1. Crampy Postprandial abd pain
2. LARGE WATERY DIARRHEA

Question 6

What are the laboratory findings for Lactose intolerance? - 5

Lactose intolerance is most commonly seen in Asians

Answer 6

1. ⬆︎stool osmotic gap (osmotic diarrhea)
2. +reducing substances in stool
3. +hydrogen breath test (indicates intestinal bacterial carbohydrate catabolism)
4. acidic stool pH
5. NO steatorrhea

Lactose Intolerance is most commonly seen in Asians

Question 7

generally describe sx for these 4 conditions

Celiac

[Irritable Bowel Syndrome]

[Inflammatory Bowel Disease]

Lactose Intolerance

Answer 7

Celiac = foul bulky diarrhea with steatorrhea

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iBS = [smoderate diarrhea with recurrent abd pain (bowel habit ∆s )]

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IBD = Bloody diarrhea, wt loss, fever, fatigue

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Lactose Intolerance = [postprandial LARGE WATERY DIARRHEA] + [postprandial flatulence]