Most Commons Flashcards
(131 cards)
1
Q
MC cause of pneumoperitoneum
A
Surgery; 2nd MC – PUD perforation
2
Q
MC location of perforation
A
Duodenum
3
Q
MC cause of pneumatosis intestinalis in neonates
A
NEC
4
Q
MC association of acute cholecystitis
A
GB stones (90P95%)
5
Q
MC cause of emphysematous cholecystitis
A
Cystic duct obstruction secondary to stones (80%)
6
Q
MC cause of emphysematous cholecystitis in DM
A
GB ischemia
7
Q
MC cause of pancreatic lithiases
A
Alcohol
8
Q
MC obstruction lesions of the colon
A
Sigmoid diverticulitis
9
Q
MC injured intraperitoneal organ in blunt trauma
A
Spleen (2nd MC: liver)
10
Q
MC portion of bowel injured
A
Duodenum
11
Q
MC functional abnormality in cricopharyngeal sphincter
A
Premature closure
12
Q
MC cause of esophageal perforation
A
Iatrogenic
13
Q
MC location of tear in Boerhaave syndrome
A
Left posterolateral wall (90%)
14
Q
MC symptom of GERq
A
Heartburn
15
Q
MC type of viral esophagitis
A
HS- I and CM- (also in immunefluorescence)
16
Q
MC agents causing caustic esophagitis
A
Tetracycline and doxycycline
17
Q
MC radiographic findings in radiation esophagitis
A
Normal
18
Q
MC granulomatous esophagitis w/o infectious agent
A
Crohn’s esophagitis
19
Q
MC cause of esophageal strictures
A
Reflux peptic esophagitis
20
Q
MC generic cause of esophageal strictures
A
Fibrous changes secondary to inflammation or neoplasm
21
Q
MC esophageal tumor
A
SCC (90%)
22
Q
MC benign tumor of esophagus
A
Leiomyoma
23
Q
MC radiographic appearance in acute erosive gastritis
A
Varioloform erosion
24
Q
MC causative agent of phlegmonous gastritis
A
Alpha hemolytic streptococci
25
MC site of tertiary syphilis in the stomach
Antrum
26
MC cause of gastric volvulus
Abnormalties in the 4 suspensory ligaments (hepatic, splenic, colic and phrenic)
27
MC described phytobezoars
Unripened persimmons
28
MC site of gastric diverticulum
Posteromedial
29
MC vascular abnormalities of the stomach
Varices
30
MC sites of malignant lymphoma of the stomach
Lower and middle thirds
31
MC submucosal tumors of the stomach
Leiomyosarcoma and leiomyoma
32
MC site of duodenal perforation
Anterior, proximal
33
MC site of gastric perforations
Lesser curvature
34
MC site of penetration
Pancreas
35
MC duodenal benign tumors
Adenomas, leiomyomas, lipomas
36
MC duodenal malignant tumors
Adenocarcinomas; 2nd MC leiomyosarcoma
37
MC nonspecific inflammatory disease of the bowel
Crohn’s disease
38
MC site of Crohn’s disease
terminal ileum
39
MC abnormality in CT 2’ to Crohn’s disease
thickened GI wall
40
MC site of Behcet’s disease in the western countries
colon
41
MC cause of enteritis in AIDS
cryptosporidiasis
42
MC cause of inflammatory disease in the bowel in the 3rd world countries
TB
43
MC site of adenomas in the small intestine
duodenum>jejunum>ileum
44
MC benign tumors of the small intestine
adenomatous polyps and leiomyomas
45
MC location of hemangioma in the small intestine
jejunum
46
Most reliable sign of diverticulitis
presence of contrast outside the lumen
47
MC site of Crohn’s disease
ileum
48
MC site of ischemic colitis
splenic flexure
49
MC form of amoebiasis
ulcerative rectal colitis
50
Most important feature for CA in polyps
size
51
MC benign tumor of the colon and rectum
adenoma ( 2nd MC lipoma, 3rd MC endometrioma)
52
MC site of argentaffin tumors/carcinoid tumors
rectum
53
MC cause of intussusseption in the adults
polypoid neoplasm
54
Most reliable radiographic criterion to differentiate CA from peridiverticular abscess
destruction of the mucous membrane
55
MC site of stricture formation 2’ to radiation
rectosigmoid and sigmoid
56
MC cause of acute pancreatitis in the US
biliary tract disease
57
MC location of aberrant pancreas
stomach
58
MC benign GB tumor
adenomas
59
MC source of hematogenous metastasis to the GB
excessive iron burden
60
MC benign liver tumor
hemangioma, cavernous
61
MC malignant hepatoma
hepatocarcinoma (75%)
62
MC locatiuon of bile duct CA
common hepatic duct (2nd MC CBD)
63
MC benign tumor of the bile duct
adenoma
64
MC appearance of liver metastasis by MRI
amorphous sign (2nd MC target sign, 3rd -halo, 4th- changed morphology sign)
65
MC MRI feature of cholangiocarcinoma
biliary dilatation
66
MC cause of benign strictures of the extrahepatic CBD
surgery
67
MC site of cholangocarcinoma
upper 1/3 of CBD, hepatic hilar
68
Most important dilatations of the bile duct
choledochal cyst
69
MC type of choledochal cyst
Type I (80- 90%)
70
MC cause of filling defects in the biliary tree
stones
71
MC parasite in the biliary tree
trematodes/flukes
72
MC cause of splenic metastasis
melanoma
73
MC 1’ neoplasms of the spleen
malignant lymphoma and plasmacytoma
74
MC benign splenic MRI tumors
cysts
75
MC cause of splenic hemorrhage
trauma, coagulopathy
76
MC site of GITB
ileocecum
77
Mc GI disease
acute nonspecific gastroenteritis
78
MC roundworm especially in children
A lumbricoides
79
MC opportunistic infection of the GIT
Candida albicans
80
MMC cause of enteritis in AIDS patients
cryptosporidium
81
MC cause of acalculous inflammation of the HBT in AIDS
CMV and cryptosporidium
82
MC complication after Heller esophagomyotomy
reflux esophagitis
83
MC cause of post cholecystectomy syndrome
retained stones in the biuliary tract
84
MC site of extraperitoneal infection
anterior pararenal compartments
85
MC cystic retroperitoneal masses
seromas, lymphpocoeles and urinomas
86
MC solid retroperitoneal masses
sarcomas, lymphomas and LADPS 2’ to metastases of retrocrural or PAA LNs
87
MC form of diaphragmatic hernia in infants acquired
esophageal hiatus hernia
88
MC form of congenital diaphragmatic hernia
Bochdalek foramen hernia
89
MC form of acquired alimentary tract obstruction in infants
hypertrophic pyloric stenosis
90
MC malignant neoplasm of the GIT in children
lymphoma
91
MC radiographic manifestation of pediatric GI effects of AIDS
LADPs (2nd MC hepatosplenomegaly)
92
MC gut lesion in chronic granulomatous disease
antral narrowing
93
MC conditions causing gas in the gut wall signaling severe/dangerous disease
NEC, typhlitis
94
MC 1’ liver tumor in children
hepatoblastoma (2nd MC hepatocellular CA)
95
MC benign liver tumor
hemangioblastoma, mesenchymal hamartomas and infantile hemangioendotheliomas
96
MC cause of acute pancreatitis in pediatrics
blunt abdominal trauma
97
MC GIT masses in the neonate
bowel duplications (enteric cysts)
98
MC manifestation of a Meckel’s diverticulum
GI bleeding
99
MC cause of emergency surgery in children
acute appendicitis
100
MC cause of spontaneous pneumoperitneum
ruptured PUD
101
MC cause of pancreatic lithiasis
pancreatitis
102
MC cause for a nojn functioning GB
chronic cholecystitis with stones
103
MC cause of benign biliary strictures
surgery
104
MC benign tumor of the esophagus
leiomyoma
105
MC manifestation of lymphoma
extrinsic compression of mass of nodes
106
MC disease affecting the esophagus
esophagitis
107
MC 1’ sarcoma of the stomach
leiomyosarcoma
108
MC phytobezoars
persimmons seeds
109
MC cause of filling defects on Barium swallow
retained food particles
110
MC phytobezoars after surgery for PUD with vagotomy and partial gastric resection
oranges
111
MC hiatal hernia
sliding or axial type
112
MC predisposing factor for stomach volvulus
diaphragmatic hernia
113
MC duodenal segment when peritoneal bands cause obstruction
3rd
114
MC organic lesion in the upper GIT
duodenal ulcer
115
MC segment with duodenal ulcers
1st, duodenal bulb
116
MC cause of pyloric obstruction
duodenal ulcer
117
MC site of duodenal diverticula
inner side of the descending duodenum close to the ampulla of Vater
118
MC benign duodenal benign tumor
leiomyoma
119
MC duodenal portion with CA
2nd portion
120
MC sarcoma of the duodenum
leiomyosarcoma
121
MC area with TB
ileocecal
122
MC neoplasm of the small intestine
leiomyoma
123
MC area with lymphoma
ileum
124
MC site of regional enteritis
distal ileum
125
MC association of potassium deficiencies with ileus
post operative GIT manipulation
126
MC cause of organic megacolon
adhesions and chronic/recurrent volvulus
127
Most important sign in pedia patients if no transition zone is demonstrated
colon stasis
128
MC type of colonic polyp
adenomas
129
MC segment with diverticula
sigmoid colon
130
MC site of histoplasmosis in the GIT
colon and distal ileum
131
MC sites of NEC in the GIT
ascending colon and ileum
