外科:一般外(gallbladder)
25 flashcards · Other · by Wanying Koh
Calot's triangle borders 1) 2) 3) contains what structure
Borders 1) liver bed 2) cystic duct 3) common hepatic duct within which contains cystic a.
asymptomatic GB stones - surgical indication 1) 2)
1) GB wall calcification (porcelain GB) - due to chronic inflammation 2) children
acute cholecystitis treatment 1) based on what guidelines
based on Tokyo guidelines
Chacot's triad
1) fever 2) jaundice 3) 右上腹痛
reasons for conversion from LC to open
anatomy in doubt cholangiogram doesn‘t clearly define anatomy operation not progressing (anatomy 不清楚,手術沒進展) gangrene GB 不需要改成 open. LC 依然可以切
CBD stone discovered months after LC Dx?
recurrent CBD stone *不是原發性CBD stone 膽道構造異常 膽汁滯留
Dx?
Acute cholecystitis w GB stone
intrahepatic CBD stone 1) treatment 2) recurrent or not?
1) PTCD --> surgical / ERCP removal of stone 2) may be recurrent so patients may require second surgery
what causes pain from gallstones
gallstones block the outflow of bile, which causes the gallbladder to spasm
acalculous cholecystitis 1) prognosis 2) mechanism 3) etiology 4) tx 5) 多少 % of cholecystitis patients 6) more common in what patients (young/old? many/few comorbidities?)
1) poor prognosis 2) 膽囊缺血、 膽汁滯留 3) 造成 shock, heart failure, low BP:trauma, burns, infection, major surgery 4) ABx, cholecystectomy, PTC drainage if not for OP 5) 2-15% 6) older, many comorbidities
gallstones occur more often in which gender
females
choledochal cyst 典型症狀 (x3)
可摸到右上腹腫塊 jaundice 腹痛
asymptomatic choledochal cyst: requires surgery?
surgical removal of GB required possible premalignant change
which choledochal cyst type require liver transplantation
Type IV, V intrahepatic cysts 要換肝
Bismuth classification vs Todani classifcation 個別 for what
Bismuth - cholangioCa at proximal hepatic duct close to hilar: Klatskin tumor Todani - choledochal cyst
cholangioCa 分佈 intra-hepatic: extra-hepatic:
intra-hepatic: 20% extra-hepatic: 80%
extra-hepatic cholangioCa most common symptom
obstructive jaundice
treatment for various Bismuth types (Klatskin tumor) I & II: III: IV:
I & II: enbloc resection of involved duct + hepatojejunostomy III: enbloc resection of involved duct + hepatojejunostomy + involved portion of liver (R or L) IV: not for OP
distal cholangioCa treatment
pancreaticoduodenectomy (切除 pancreas & duodenum) + pancreaticojejunostomy + hepatojejunostomy + duodenojejunostomy (接 pancreas - jejunum, liver - jejunum, 胃處最後一點的 duodenum - jejunum)
risk factors of cholangioCa
primary sclerosing cholangitis PSC recurrent pyogenic cholangitis choledochal cysts intrahepatic stones ulcerative colitis 中華肝吸蟲 NOT CBD stones - not risk factor
most common reason for hemobilia 膽道出血
iatrogenic injury
acute mesenteric ischemia 典型症狀
pneumatosis intestinalis + portal v. gas
hemobilia 膽道出血 treatment
可以先試試 conservative tx - angiographic occlusion surgical ligation
GB absorbs or secretes HCO3- ?
GB absorbs HCO3- from pancreatic bile (DOES NOT secrete HCO3-) then releases concentrated bile of pH 6.9 (lower pH than pancreatic/small intestine juice)
emphysematous cholecystitis