Gastrointestinal tract Pathology Flashcards Preview

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Flashcards in Gastrointestinal tract Pathology Deck (78)
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1

most common form of congenital intestinal atresia

imperforate anus

2

most common type of TEF

type C

h'

3

[diagnosis: diaphragmatic hernia]
posterolateral defect, usually on the left; more common

bochdalek

4

[diagnosis: diaphragmatic hernia]

anteromedial defect

morgagni

5

[diagnosis]

herniation of abdominal viscera through an enlarged umbilical ring; (+) amnion sac

omphalocele

6

[diagnosis]

herniation of abdominal viscera directly into the amniotic cavity; usually on the right of the umbilicus

gastroschisis

7

[diagnosis]

failed involution of vitelline/omphalomesenteruc duct

meckel diverticulum

8

rule of 2 of meckel diverticulum

2% of the population
2 feet of the ileocecal valve
2 inches long
2x more common in males
2 years old when most often symptomatic
2 types of common ectopic tissue (gastric and pancreatic)

9

[diagnosis]

associated with turners syndrome, trisomy 18, erythromycin/azithromycin exposure during 1st 2 weeks of life

pyloric stenosis

10

[diagnosis]

new-onset regurgitation, feeding abnormalities, 1-2cm abdominal mass

pyloric stenosis

11

[diagnosis]

failure to pass meconium, explosive passage of flatus and feces; megacolon

hirschsprung disease

12

in hirschsprung disease, the aganglionic segment is ___ (dilated/constricted)

constricted

13

[type of esophageal obstruction]

dysphagia to both solids and liquids; static dysphagia

functional obstruction

14

[type of esophageal obstruction]

dysphagia first to solids then liquids; progressive dysphagia

mechanical obstruction

15

[functional esophageal obstruction]

high amplitude contractions of the distal esophagus

nutcracker esophagus

16

[functional esophageal obstruction]

repetitive simultaneous contractions of the distal esophageal smooth muscle

diffuse esophageal spasm

17

[diverticula]
increased wall stress above LES

epiphrenic diverticula

18

[diverticula]

increased wall stress above the UES

pharyngoesophageal (zenker) diverticula

19

___ muscle is associated with the pharyngoesophageal diverticula

cricopharyngeus muscle

20

[diagnosis]

incomplete LES relaxation, increase LES tone, esophageal aperistalsis

achalasia

21

postocaval anastomosis associated with esophageal varices

esophageal branch of left gastric vein and azygous vein

22

[diagnosis]
red velvety mucosa, presence of goblet cell, intestinal metaplasia

barrett esophagus

23

[diagnosis: esophageal CA]

associated with hot drink ingestion, HPV, caustic esophageal injury, commonly seen at the middle third of esophagus

squamous cell CA

24

[diagnosis: esophageal CA]

associated with chronic GERD, H. pylori; commonly seen at the distal third of esophagus

adenoCA

25

[diagnosis: esophageal CA]

precursor lesion: barrett esophagus

adenoCA

26

[diagnosis]

dysphagia, odynophagia, hematemesis, obstrcution, symptoms of GERD, weifht loss

esophageal CA

27

[diagnosis: gastritis]

dominant infiltrate in acute gastritis

neutrophils

28

[diagnosis: gastritis]

dominant infiltrate in chronic gastritis

mononuclear infiltrate

29

[diagnosis]
imbalance between mucosal protective mechanism and injurious stimuli in stomach

gastritis

30

[diagnosis]

intact surface epithelium with foveolar cell hyperplasia; superficial mucosal defect due to epithelial loss

acute gastritis