Abstract
AimThe aim of the study was to describe the clinical and histopathologic presentation of adenomyomatosis (ADM) of the gallbladder in a series of patients. Material and methodBetween January 1, 2010 to April 30, 2015, 6957 patients underwent cholecystectomy. Among them, ADM was diagnosed in 95 of cholecystectomy specimens (1.4%). Clinical and pathological findings in these patients are described. ResultsIn 53 patients (55.8%) presented abdominal pain. Concomitant histological changes occurred in the gallbladder mucosa of 34 patients (35.8%), being the most frequent pyloric metaplasia (21%); and in 8 patients (8.4%) high-grade dysplasia and low-grade dysplasia was presented. The most frequent associated pathologies were cholelithiasis in 82.1%, and chronic cholecystitis in 85.3%. ConclusionsIn this serie, various histological changes were observed, including high-grade dysplasia. Cholelithiasis was presented with high frequency.
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