gastrointestinal

Question 1

rat tail appearance

Answer 1

achalasia

Question 2

neuronal degeneration within the myenteric plexus

associated with chagas disease

Answer 2

achalasia

Question 3

most common esophageal diverticulum

Answer 3

zenker diverticulum

Question 4

pulsion diverticulum

Answer 4

zenker diverticulum

Question 5

most common site of rupture of zenker diverticulum

Answer 5

killian triangle

Question 6

outpouching in the region of the esophageal inlet

Answer 6

zenker diverticulum

Question 7

imaging modality of choice for appendicitis

Answer 7

CT scan

Question 8

appendicitis appearance on ct scan

Answer 8

diameter >6cm

non compressibility of the appendix and presence of a complex mass

Question 9

most common GI emergency in the neonates

Answer 9

necrotizing enterocolitis

Question 10

radiologic sign for necrotizing enterocolitis

Answer 10

pneumointestinalis coli

Question 11

pneumobilia
gallstone
ileus

Answer 11

gallstone ileus

Question 12

most common site of colicyst interic fistula

Answer 12

duodenum

Question 13

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

Answer 13

rigler’s triad

Question 14

pneumoperitoneun
double wall sign
gas relief sign

Answer 14

rigler’s sign

Question 15

failure of recanalization of the duodenum

Answer 15

duodenal stenosis

Question 16

bilious, non projectile vomiting

Answer 16

duodenal stenosis

Question 17

currant jelly stool

Answer 17

intussusception

Question 18

most common site of intussusception

Answer 18

ileocolic

Question 19

coil spring appearance

Answer 19

intussusception

Question 20

lace like UTZ

Answer 20

schistosomiasis

Question 21

most common primary esophageal motility disorders

Answer 21

nut cracker

supersqueezer esophagus

Question 22

double tract sign

Answer 22

hypertrophic pyloric stenosis

Question 23

shoulder sign

Answer 23

hypertrophic pyloric stenosis

Question 24

palpable olive in the mid epigastic area

Answer 24

hypertrophic pyloric stenosis

Question 25

coffee bean sign

Answer 25

sigmoid volvulus

Question 26

bent inner tube sign

Answer 26

sigmoid volvulus

Question 27

omega sign | ace of spade sign

Answer 27

sigmoid volvulus

Question 28

most common form of GI volvulus

Answer 28

sigmoid volvulus

Question 29

points to the RUQ | common in pregnancy

Answer 29

sigmoid volvulus

Question 30

points to the LUQ

Answer 30

cecal volvulus

Question 31

corkscrew sign

Answer 31

diffuse esophageal spasm

Question 32

segmentation of the normal esophageal lumen

Answer 32

diffuse esophageal spasm

Question 33

double barrel esophagus

Answer 33

intramural esophageal disection

Question 34

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

Answer 34

double barrel esophagus

Question 35

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

Answer 35

bulls eye lesion

Question 36

differential diagnosis for bulls eye lesion

Answer 36

gastric metastasis kaposis sarcoma carcinoid tumor gastric lipoma

Question 37

rams horn

Answer 37

crohn's disease

Question 38

area most frequently involved in crohns disease

Answer 38

antrum

Question 39

double bubble sign

Answer 39

duodenal atresia

Question 40

genetic condition associated with duodenal atresia

Answer 40

Down's syndrome

Question 41

string of pearls

Answer 41

small bowel obstruction | PCOS

Question 42

thickened plicae circularis

Answer 42

stack of coin sign

Question 43

stack of coin sign

Answer 43

small bowel hematoma

Question 44

thumb printing sign

Answer 44

ischemic colitis

Question 45

cobble stone sign

Answer 45

Crohn's disease

Question 46

collar button sign

Answer 46

active ulcerative colitis

Question 47

apple core | napkin ring

Answer 47

colon carcinoma

Question 48

cloverleaf duodenal bulb | hour glass stenosis

Answer 48

healed stage of duodenal ulcer disease

Question 49

cause of rectus sheath hematoma

Answer 49

rupture of inferior epigastic

Question 50

positive fathergill sign

Answer 50

rectus sheath hematoma

Question 51

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

Answer 51

fathergill sign

Question 52

chain of lakes

Answer 52

chronic pancreatitis

Question 53

due to fibrosis and calcification of the pancreas

Answer 53

chain of lakes

Question 54

colon cut off sign

Answer 54

acute pancreatitis

Question 55

bird beak appearance

Answer 55

achalasia