GIT Flashcards
ulcer associated with burns and trauma
CuRLing ulcers
ulcers associated with increased ICP due to TBI
CuSHings ulcer
MC type of esophageal atresia
Type C, distal tracheoesophageal fistula with proximal esophageal atresia
MC form of congenital intestinal atresia
imperforate anus - failure of cloacal membrane involution
posterolateral defect of diaphragmatic hernia, left sided
Bochdalek - most common
anteromedial defect of diaphragmatic hernia
Morgagni
MC congenital anomaly of the GI tract
Meckel diverticulum
2 association of Pyloric Stenosis
Turner syndrome, Trisomy 18
Erythromycin/Azithromycin exposure in 1st 2 weeks of life
mutation in Hirschsprung disease
RET mutations
MC esophageal obstruction
Nutcracker esophagus
high amplitude contractions of the distal esophagus
false diverticulum above UES
Cricopharyngeus dysfunction
regurgitation, halitosis
Pharyngoesophageal/ Zenker
Plummer Vinson syndrome TRIAD
UE webs
IDA
Glossitis, Cheilosis
webs: semi-circumferential ledge-like mucosal protrusions
TRIAD of Achalasia (aganglionic esophagus)
Incomplete LES relaxation
Increase LES tone
Esophageal aperistalsis
longitudinal mucosal tear near GEJ
severe retching or vomiting
hematemesis
antipersitaltic contractile wave
Mallory Weiss tear
MCC of esophageal varices
Liver cirrhosis
hallmark of barrett esophagus
Goblet cells
MC Esophageal carcinoma
Squamous Cell Carcinoma
site: middle thrid
Precursor lesion of Squamous cell carcinoma
Squamous dysplasia
which has an increased acid secretion in PUD
Duodenal Ulcer
disease characterized by GIANT CEREBRRIFORM enlargement of rugal folds due to epithelial hyperplasia without inflammation
Hypertrophic Gastropathies
MC gastric polyp
Inflammatory/hyperplastic polyp
assoc with H. pylori infection
MC malignancy of GI
Adenocarcinoma
MC site of extranodal lymphomas
Stomach
MC mesenchymal tumor of the abdomen
GI stromal tumor
Mutation in WNT signaling
Bulky exophytic masses
Ulcerative infiltrative masses
Glandular structures lined by dysplastic intestinal-type epithelial cellsq
Intestinal Gastic Ca
loss of function mutation of CDH1
Linitis plastica
Dyscohesive cells
Signet-ring cells
Diffuse infiltrative Gastric Ca
Thickened stiff wall with flattened rugae (leather bottle appearance)
Linitis plastica
virulence factor of H.pylori
CagA
MC GI Lymphoma
Extranodal Marginal Zone B cell Lymphoma
Only malignancy that can be cured by antibiotics
MALT lymphoma
H. pylori eradication
Carney TRIAD
GIST
Paraganglioma
pulmonary chondroma
Cytogenic origin of GIST
interstitial cells of Cajal
MC site of ishemic bowel disease
Colon
painful, bloody, small-volume diarrhea
Exudative diarrhea
seen in Amebic dysentery
most feared long-term complication of UC and CD
Colitis associated neoplasia
Hallmark of Chrons
Noncaseating granulomas
AD, site: SI
multiple GI hamartomatous polyp and mucocutaneous hyperpigmentation `
Peutz Jeghers polyp
factors of malignancy risk for colorectal adenoma
Size - >/4cm
architecture - villous
degree of dysplasia - high-grade
Amsterdam criteria of Verified Lynch Syndrome
3 members (1 should be 1st degree relative)
2 generations
1 diagnosed under 50 y/o
MC malignancy of GI tract
Colorectal adenoCa
gatekeeper of colonic mucosa
APC
Histologic criterion of AP
PMN in muscularis propria
IHC for GIST
CD117
Mucinous tumors of the appendix spread to the peritoneum – causing build-up of semisolid mucin in the abdomen
pseudomyxoma peritonei
neuroendocrine tumors found in which part of the body tend to be multiple and aggressive
midgut - jejunum and ileum
MC site foe neuroendocrine tumors
SI