Small and large intestines part2 Flashcards
terminal ileum infections ddx?
yersinia
amoebic colitis
TB
normal colon microscopy looks like?
nice rack of test tubes: unlike architectural disarray in Crohn’s from chronicity
features of terminal ileum biopsies?
granulomas
features of a chronically inflamed terminal ileum?
thickened wall
narrowed lumen
evidence of perforation
linear ulcers: cobblestone muscosa
endoscopy will only get to what layer in GI?
only the mucosal layer
complications of Crohn’s?
strictures perforations fistulas abcesses B12 deficiency
extraintestinal manifestations of Crohn’s?
uveitis
erythema nodosum
primary sclerosing cholangitis
classic extra-lung manifestation of TB?
terminal ileum
big complication of ulcerative colitis?
toxic megacolon
distension so great: self-infarction, perforation
course of UC?
curative or intermittent exacerbation
complications of UC?
PSC
not really perforation or fistulas because no knife-like ulcers
-dysplasia
what influences risk of cancer development in UC?
duration
activity of disease
extent (pan-colitis)
aetiology of UC?
idiopathic
possibly due to barrier breakdown
right side of bowel cancer?
iron deficiency anaemia
fatigue
metastasis
left sided bowel cancer?
bright red