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radiology pearls > gastrointestinal > Flashcards

gastrointestinal Flashcards

1
Q

rat tail appearance

A

achalasia

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2
Q

neuronal degeneration within the myenteric plexus

associated with chagas disease

A

achalasia

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3
Q

most common esophageal diverticulum

A

zenker diverticulum

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4
Q

pulsion diverticulum

A

zenker diverticulum

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5
Q

most common site of rupture of zenker diverticulum

A

killian triangle

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6
Q

outpouching in the region of the esophageal inlet

A

zenker diverticulum

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7
Q

imaging modality of choice for appendicitis

A

CT scan

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8
Q

appendicitis appearance on ct scan

A

diameter >6cm

non compressibility of the appendix and presence of a complex mass

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9
Q

most common GI emergency in the neonates

A

necrotizing enterocolitis

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10
Q

radiologic sign for necrotizing enterocolitis

A

pneumointestinalis coli

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11
Q

pneumobilia
gallstone
ileus

A

gallstone ileus

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12
Q

most common site of colicyst interic fistula

A

duodenum

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13
Q 
air in the billary tree
small bowel obstruction 
ectopic gallstone (diagnostic of gallstone ileus)
A

rigler’s triad

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14
Q

pneumoperitoneun
double wall sign
gas relief sign

A

rigler’s sign

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15
Q

failure of recanalization of the duodenum

A

duodenal stenosis

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16
Q

bilious, non projectile vomiting

A

duodenal stenosis

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17
Q

currant jelly stool

A

intussusception

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18
Q

most common site of intussusception

A

ileocolic

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19
Q

coil spring appearance

A

intussusception

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20
Q

lace like UTZ

A

schistosomiasis

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21
Q

most common primary esophageal motility disorders

A

nut cracker

supersqueezer esophagus

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22
Q

double tract sign

A

hypertrophic pyloric stenosis

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23
Q

shoulder sign

A

hypertrophic pyloric stenosis

24
Q

palpable olive in the mid epigastic area

A

hypertrophic pyloric stenosis

25
Q

coffee bean sign

A

sigmoid volvulus

26
Q

bent inner tube sign

A

sigmoid volvulus

27
Q

omega sign

ace of spade sign

A

sigmoid volvulus

28
Q

most common form of GI volvulus

A

sigmoid volvulus

29
Q

points to the RUQ

common in pregnancy

A

sigmoid volvulus

30
Q

points to the LUQ

A

cecal volvulus

31
Q

corkscrew sign

A

diffuse esophageal spasm

32
Q

segmentation of the normal esophageal lumen

A

diffuse esophageal spasm

33
Q

double barrel esophagus

A

intramural esophageal disection

34
Q

dissection of the oral contrast between the esophageal mucosa and sub mucosa

A

double barrel esophagus

35
Q

central collection of oral contrast within the ulcerated intramural masses on upper GI barium exam

A

bulls eye lesion

36
Q

differential diagnosis for bulls eye lesion

A

gastric metastasis
kaposis sarcoma
carcinoid tumor
gastric lipoma

37
Q

rams horn

A

crohn’s disease

38
Q

area most frequently involved in crohns disease

39
Q

double bubble sign

A

duodenal atresia

40
Q

genetic condition associated with duodenal atresia

A

Down’s syndrome

41
Q

string of pearls

A

small bowel obstruction

PCOS

42
Q

thickened plicae circularis

A

stack of coin sign

43
Q

stack of coin sign

A

small bowel hematoma

44
Q

thumb printing sign

A

ischemic colitis

45
Q

cobble stone sign

A

Crohn’s disease

46
Q

collar button sign

A

active ulcerative colitis

47
Q

apple core

napkin ring

A

colon carcinoma

48
Q

cloverleaf duodenal bulb

hour glass stenosis

A

healed stage of duodenal ulcer disease

49
Q

cause of rectus sheath hematoma

A

rupture of inferior epigastic

50
Q

positive fathergill sign

A

rectus sheath hematoma

51
Q

palpable mass after tensing the abdomen, does not cross the midline

A

fathergill sign

52
Q

chain of lakes

A

chronic pancreatitis

53
Q

due to fibrosis and calcification of the pancreas

A

chain of lakes

54
Q

colon cut off sign

A

acute pancreatitis

55
Q

bird beak appearance

radiology pearls (5 decks)

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