GI Flashcards
Gardner’s syndrome gene
APC
Gardner’s syndrome lesions
GI polyps, dental, retinal, desmoid, osteoma, lipoma
Peutz-Jeghers lesions
GI hamartomas, hyperpigment mouth hands& feet
Turcot’s lesions
GI polyps, CNS tumors
duodenal atresia association
down’s(trisomy 21)
annular pancreas blockage
part 2 duodenum
hernia medial to inferior epigastric A.
direct inguinal (hesselbach’s triangle, superficial ring only)
AminoAcid gastrin stimulators
tryptophan, phenylalanine
CCK cells
I cells(fats/AA)
secretin releases
bicarb(duodenum)
VIPoma symptoms
diarrhea, hypoK, achlorhydria
IF release cells
stomach parietal cells(B12 binding, gastric acid also here)
Fructose absorption
GLUT-5
Iron absorption location
duodenum(Fe2+)
Folate absorption location
jejunum
B12 absorption location
terminal ileum
peyer’s patches secrete
IgA
used to conjugate bilirubin
glucuronic acid(measured direct bilirubin)
most common parotid tumors
pleomorphic adenoma(benign), warthins(benign cystic), mucoepidermoid(malignant)
achalasia associations
esophageal SSCarcinoma, chagas disease. (birds beak)
plummer vinson triad
esophageal webs+glossitis+iron deficiency anemia
celiac affected locations
distal duodenum/proximal jejunum
whipples symptoms
cardiac/neuro/arthralgias, foamy macrophages(G+PAS+)
celiac association
HLA-DQ2/8, dermatitis herpetiformis, anti-gliadin endomysial&tissue transglutaminase
H pylori affected area
antrum(cancer associated), duodenum(benign)
Gastric cancer metastasis sites
krukenberg(ovary), virchows(Lsupraclavicular node), sister mary joseph(subQ periumbilical)
crohn’s pathology
string sign(Xray), skip lesions, rectal sparing, transmural
ulcerative colitis pathology
crypt abscesses, pseudopolyps
McBurney’s point
appendix(1/3 of distance from ASIS to umbilicus)