Cáncer de vesícula biliar como hallazgo histopatológico posterior a la colecistectomía. Prevalencia e incidencia en el Hospital Ángeles Pedregal

Background: The gallbladder carcinoma first described in 1777, ranks fifth in frequency of malignancies in the gastrointestinal tract. Aim: To determine the prevalence and incidence of gallbladder cancer in patients after cholecystectomy surgery at Hospital Angeles Pedregal. Material and methods: We conducted a descriptive, observational, retrospective and cross study of the clinical records of patients undergoing cholecystectomy, including a total of 3,420 cholecystectomy for six years. The results of histological evaluation were analyzed and collected in a prescribed format. Then the prevalence and incidence of malignancy in our hospital were obtained. Results: The diagnosis most often reported according to data from clinical records at this hospital, was cholecystitis with 1,557 cases (45.5%), followed by cholelithiasis with 1,450 cases (42.4%), other diseases of the gallbladder reported 404 cases (11.8%) and gallbladder cancer was present in 9 cases with a prevalence of 0.26 cases per 100 patients undergoing cholecystectomy and an incidence of 2.6 per 1,000 patients undergoing this procedure. Adenocarcinoma was the most common type with eight cases and one case of neuroendocrine carcinoma. Only one of the nine cases (11.1%), gallbladder cancer was suspected preoperatively. Conclusions: The incidence of gallbladder cancer in our hospital, is located below the lower limits reported in the literature.