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Pathology > Gastro > Flashcards

Gastro Flashcards

0
Q

Failed involution of vitteline duct

A

Meckels diverticulum

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1
Q

Occurs when closure of the abdominal wall is incomplete

Abd.viscera herniates into VENTRAL membranous sac

A

Omphalocele

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2
Q

OLIVE sized abdominal mass on P.E.of the abdomen

Asso.with Turner syndrome and trisomy 18

A

Hypertrophic pyloric stenosis

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3
Q

Distal vs proximal segment in hirschprung disease

A

Distal segment- normal or contracted, absence of ganglion

Proximal segment- dilated, distended (megacolon)

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4
Q

Explosive passage of flatus and feces

A

Hirschprung dsea.

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5
Q

Mc outpatient GI dx

Most frequent cause of esophagitis

A

Reflux esophagitis

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6
Q

Patches of red, velvety mucosa extending upward from GEJ

Intestinal GOBLET cells are definitive dx

A

Barrets esophagus

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7
Q

Most frequent location of esophageal adenocarcinoma

A

Distal 1/3 of esophagus

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8
Q

Most frequent loc.of esophageal adenoca

A

Middle 1/3 of esophagus

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9
Q

Mcc of chronic gastritis

A

H.pylori

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10
Q

Pit abscess
Antral gastritis
MALT lymphoma

A

H. Pylori gastritis

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11
Q

Glandular atrophy of oxyntic mucosa
Megaloblastic change
Intestinal metaplasia
Antral endo. Hyperplasia

A

Autoimmune gastritis

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12
Q

4x more common in proximal duodenum (duodenal bulb) than the stomach
Punch out defect
Mucosal defect with clean edge
Necrotic ulcer base

A

PUD

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13
Q

Mc malignancy in the stomach

A

Gastric Adeno ca

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14
Q

True or false, PUD does not impart an increased risk of gastric ca

A

Tru

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15
Q 
Linitis plastica (diffuse rugal flattening)
Leather bottle appearance (rigid, thick wall)
A

Gastric adenoca

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16
Q

Islands,trabeculae, strands, glands or sheets of uniform cells

Salt and pepper chromatin

A

Carcinoid tumor

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17
Q

Mc messenchymal tumor of the abdomen

A

GIST

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18
Q

Tumoe marker for GIST

A

C- kit

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19
Q

Site at greatest risk for trnsmural infarction (bowel)

A

Splenic flexure

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20
Q

Enlargement of peyer’s patches
Oval ulcers
Typhoid nodules

A

Typhoid fever

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21
Q

Mucopurulent exudates forms an Eruption reminiscent of a volcano

A

Pseudomembranous colitis

DOC: metronidazole or oral vancomycin

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22
Q

Malabsorption diarrhea due to impaired lymphatic transport

A

Whipples disease

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23
Q

Triad of whipples dsea.

A

Diarrhea

Weight loss and malabsorption

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24
Q

Distended foamy macrophage

PAS positive, diastase resistant granules

A

Whipples dsea.

25
Q 
Broad base ulcer
Pseudopolyps
Toxic megacolon
Inc. risk for colon ca
Backwash ileitis
Triggered by C. Deficile
A

UC

26
Q

Limited to colon and rectum
Extraintestinal manifestation
Pancolitis
Left sided

A

UC

27
Q

Multiple GI hamartomatous polpys and mucocutaneous hyperpigmentation

A

Peutz jeghers syndrome

28
Q

Mc and clinically important neoplastic polyps

A

Colonic adenoma

–charac by presence of epith dysplasia

29
Q

Villous adenomas has the highest risk of colorectal adenoca

A

True

30
Q

Autosomal dominant disorder caused by mutation of the APL gene

A

Familial adenomatous polyps

31
Q

How many polyps are necessart to dx of FAP

A

At least 100

32
Q

Mc malignancy of the GI tract

A

Colorectal adeno ca

33
Q

Most impt. Prognostic factor for colorectal ca

A

Dept

Meta

34
Q

Mc site of metastasis for colorectal adeno Ca

A

Liver

35
Q

Dilation of the inf.hemorrhoidal plexus

A

External hemorrhoids

36
Q

Dilation of the superior hemorrhoidal plexus

A

Internal hemorrhoids

37
Q

Org.most often identified in spontaneous bacterial peritonitis

A

E.coli

38
Q

Dull and lusterless peritoneum

A

Peritonitis

39
Q

Accounts for 50% of cases in acute haptic failure

A

Acetaminophen

40
Q

Causes encephalopathy in hepatic failure

A

Hyperammonia

41
Q

85% of bilirubin comes from?

A

Breakdown of senescent rbc

15% derived from turnover of hepatic heme or hemoproteins

42
Q

Cannot be excreated in the urine
Kernicterus
Indirect

A

Unconjugated

43
Q

Picornaviridae

A

Hepa A

44
Q

Flaviviridae

A

Hepa C

45
Q

Hepa dna viridae

A

Hepa B

46
Q

Calciviridae

A

Hepa E

47
Q

Hbv with enveloped ds DNA

A

Hepa B

48
Q

Enveloped ssRNA

A

Hepa D

49
Q

Naked ssRNA

A

Hepa A and E

50
Q

Hbv, waterborne

A

Hepa E

51
Q

Hbv, fecal oral

A

Hepa A

52
Q

Hbv, hepatocellular ca

A

Hepa B and C

53
Q

Hepa B sero.

Incubation period

A

HBsAg

HBeAg

54
Q

Hepa B

Acute infection

A

sAg, eAg, anti c

55
Q

Window period

A

Anti c

IgM

56
Q

Complete recovery

Hepa b

A

Anti c, IgG, anti s

57
Q

Chronic hepa b

A

sAg, eAg, IgG

58
Q

Vaccinated

A

Anti s

59
Q

Cutaneous lession found in gastric carcinoma

A

Seborrheic dermatitis
Leser trelat
Acanthosis nigricans
Erythema nodosum

Pathology (11 decks)

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