dx Flashcards
1
Q
HSV
A
Tzanck test
2
Q
esophageal fistula
A
Bronchossopy shows ovoid defect on post trachea at about T1
3
Q
Hirschprung’s dis
A
absence of ganglion cells in affected segment
4
Q
barretts esopahgus
A
Endoscopic biopsy evidence of metaplastic and columnar mucosa above the GE jct
5
Q
H pylori chronic gastritis
A
- Warthrin-Starry stain
- Immunohistochemistry stain for H. Hylori
- CLO test
- biopsy: gold std: body vs antral glands
6
Q
intussusception
A
contrast enemas: donut sign
7
Q
celiac dis
A
- Need both serology and histology.
- IgA antibodies to tissue transglutaminase (tTG) (best) or anti-endomysial (EMA).
- Gold standard: biopsy
8
Q
campylobacter enterocolitis, shigella, salmonella, yersinia,
A
stool culture
9
Q
giardia lamblia
A
cysts in stool sample
10
Q
irritable bowel synd
A
abd pain 3d/mo for over 3mos
11
Q
acute appendicitis
A
Nf infiltration of the muscularis propria
12
Q
NFALD
A
liver biopsy: assess for scarring
13
Q
hemochromatosis
A
- Look for Fe in the tissues with Prussian blue.
- Screen for high levels of serum iron and ferritin.
- Screen family members
14
Q
wilsond dis
A
- Decreased serum ceruloplasmin.
- Increased hepatic copper content (most sensitive and accurate)+250ug/dry wt
- Increased urinary copper excretion (most specific screening test)
15
Q
primary biliary cirrhosis
A
florid duct line on biopsy