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Utility of multiple endoscopic techniques in differential diagnosis of gallbladder adenomyomatosis from gallbladder malignancy with bile duct invasion: A case report

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World Journal of Clinical Cases 2020年第2期8卷 464-470页

作者： Li-Jia Wen Jun-Hong Chen Yong-Jin Chen Kai Liu Department of Hepatopancreatobiliary Surgery The First Hospital of Jilin University

BACKGROUND gallbladder adenomyomatosis(GAM) is a benign lesion, characterized by thickening of the gallbladder wall and a focal mass, which overlap with the features of gallbladder malignancy. Consequently, differential diagnosis of GAM from gallbladder cancer is difficult and approximately 20% of suspected malignant biliary strictures are postoperatively confirmed as benign lesions.Herein, we report a case in which a preoperative diagnosis of GAM was made by a combination of endoscopic and imaging techniques.CASE SUMMARY A 40-year-old man was referred to our hospital chiefly for a fever and right upper abdominal pain with dark urine. Enhanced computed tomography showed thickening of the gallbladder wall and a mass in the gallbladder neck with involvement of the hepatic bile ducts, which was suspected to be malignant.gallbladder malignancy with bile duct invasion was ruled out by subsequent endoscopic examinations, including endoscopic retrograde cholangiopancreatography, intraductal ultrasound, and Spy Glass. Endoscopic examinations showed a homogeneous hyperechoic lesion with smooth margins of benign bile duct stricture suggestive of inflammatory stenosis of the bile duct.The patient underwent laparoscopic cholecystectomy. GAM was postoperatively diagnosed and confirmed based on the histopathology results, which are consistent with the preoperative diagnosis. Notably, no malignant event occurred in the patient during a 12-mo follow-up period.CONCLUSION A combination of endoscopic techniques may help in the differential diagnosis of GAM from gallbladder cancer.

关键词： gallbladder adenomyomatosis Differential diagnosis Endoscopic retrograde cholangio-pancreatography Intraductal ultrasound SpyGlass Case report

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Stepwise approach and surgery for gallbladder adenomyomatosis: a mini-review

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Hepatobiliary & Pancreatic Diseases International 2013年第2期12卷 136-142页

作者： Gianluca Pellino Guido Sciaudone Giuseppe Candilio Giuseppe Perna Antonio Santoriello Silvestro Canonico Francesco SelvaggiAuthor Unit of General and Geriatric Surgery School of Medicine Second University of Naples

BACKGROUND: gallbladder adenomyomatosis (GBA) is a hyperplastic disease affecting the wall of the gallbladder, with some typical features. It has historically been considered a benign condition, nevertheless recent reports highlighted a potential role of GBA in predisposing to malignancies of the gallbladder. DATA SOURCES: We reviewed the literature concerning GBA from its identification until July 2012. Owing to the relative rarity of the disease, studies often are case reports or case series. Thus we herein report a summary of the key-points concerning diagnosis and treatment of GBA, easily applicable in everyday practice, rather than a systematic review. Also, results are integrated with our recent experience. RESULTS: In our experience, we observed a trend toward an increase of GBA during the last years, probably due to enhanced ultrasonographic technical advancements and physician’s expertise. GBA has distinctive imaging features. Several recent reports highlight the potential risk of cancer associated with GBA; however the disease is still classified as a benign condition. Although its correlation with malignancy has not been demonstrated, it is prudent to recommend cholecystectomy in some cases. However, in selected asymptomatic patients, a wait-and-see policy is a viable alternative. We propose an algorithm, based on GBA pathological pattern (diffuse, segmental, localized or fundal), suitable for decision-making.CONCLUSIONS: In symptomatic patients and if the diagnosis is doubtful, cholecystectomy is mandatory. Postponing surgery is an option to be offered to asymptomatic patients with low-risk GBA pattern who adhere to scheduled follow-ups.

关键词： gallbladder adenomyomatosis gallbladder carcinoma cholecystectomy ultrasonography

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