Journal of hepato-biliary-pancreatic surgery · 2004
Segmental adenomyomatosis of the gallbladder predisposes to cholecystolithiasis.
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Nishimura Atsushi, Shirai Yoshio, Hatakeyama Katsuyoshi
Аннотация
BACKGROUND/PURPOSE: The aim of the present study was to clarify the association between adenomyomatosis of the gallbladder and cholecystolithiasis.
METHODS: A cholecystectomy was performed for cholelithiasis or various other conditions in 1099 patients, of whom 608 had cholecystolithiasis. Adenomyomatosis of the gallbladder was classified as one of three variants: segmental, fundal, and diffuse. Segmental adenomyomatosis has an annular stricture dividing the gallbladder lumen into the "neck compartment" and the "fundal compartment". Bile lipid analysis was performed in 8 patients with segmental adenomyomatosis.
RESULTS: Adenomyomatosis of the gallbladder was observed in 156 patients (14.2%), of whom 99 had segmental adenomyomatosis, 54 had fundal adenomyomatosis, and 3 had diffuse adenomyomatosis. The prevalence of cholecystolithiasis was higher in patients with segmental adenomyomatosis (88.9%) than in those without adenomyomatosis (52.3%; P < 0.001). Gallstones were detected earlier in patients with segmental adenomyomatosis than in those without ( P < 0.001) and were located predominantly in the fundal compartment. Bile in the fundal compartment had lower concentrations of total bile acids ( P = 0.012), with an increased cholesterol saturation index ( P = 0.012), compared to bile in the neck compartment.
CONCLUSIONS: Segmental adenomyomatosis is a condition predisposing to cholecystolithiasis, probably due to the lithogenic environment in the fundal compartment. Fundal or diffuse adenomyomatosis appears to be unrelated to cholecystolithiasis.
METHODS: A cholecystectomy was performed for cholelithiasis or various other conditions in 1099 patients, of whom 608 had cholecystolithiasis. Adenomyomatosis of the gallbladder was classified as one of three variants: segmental, fundal, and diffuse. Segmental adenomyomatosis has an annular stricture dividing the gallbladder lumen into the "neck compartment" and the "fundal compartment". Bile lipid analysis was performed in 8 patients with segmental adenomyomatosis.
RESULTS: Adenomyomatosis of the gallbladder was observed in 156 patients (14.2%), of whom 99 had segmental adenomyomatosis, 54 had fundal adenomyomatosis, and 3 had diffuse adenomyomatosis. The prevalence of cholecystolithiasis was higher in patients with segmental adenomyomatosis (88.9%) than in those without adenomyomatosis (52.3%; P < 0.001). Gallstones were detected earlier in patients with segmental adenomyomatosis than in those without ( P < 0.001) and were located predominantly in the fundal compartment. Bile in the fundal compartment had lower concentrations of total bile acids ( P = 0.012), with an increased cholesterol saturation index ( P = 0.012), compared to bile in the neck compartment.
CONCLUSIONS: Segmental adenomyomatosis is a condition predisposing to cholecystolithiasis, probably due to the lithogenic environment in the fundal compartment. Fundal or diffuse adenomyomatosis appears to be unrelated to cholecystolithiasis.