Abstract
The prevalence of cholelithiasis and gallbladder cancer may be different across ethnic groups. To study the prevalence of cholelithiasis and gallbladder cancer among Aymara individuals. An abdominal ultrasound was carried out in a sample of 182 Aymara women aged 46 ± 16 years and 76 Aymara men aged 55 ± 16 years. In addition, the histopathological reports of both patients with a history of previous cholecystectomy and those operated after the study were reviewed. Ultrasound was normal in 150 participants (58%), 76 had cholelithiasis (30%) and 32 (12%) had a history of cholecystectomy. Pathological reports of the excised gallbladder were available for 106 cases and showed a chronic cholecystitis in 98% of cases. Gallbladder cancer was not reported. There is a 42% prevalence of cholelithiasis and no gallbladder cancer in this sample of Aymara population.
Highlights
Prevalence of cholelithiasis and gallbladder cancer among Aymara individuals Background: The prevalence of cholelithiasis and gallbladder cancer may be different across ethnic groups
The histopathological reports of both patients with a history of previous cholecystectomy and those operated after the study were reviewed
Ultrasound was normal in 150 participants (58%), 76 had cholelithiasis (30%) and 32 (12%) had a history of cholecystectomy
Summary
Prevalencia de colecistolitiasis y cáncer de vesícula en una población rural aymara de Chile. Aim: To study the prevalence of cholelithiasis and gallbladder cancer among Aymara individuals. Conclusions: There is a 42% prevalence of cholelithiasis and no gallbladder cancer in this sample of Aymara population. Estudios clínicos y epidemiológicos demuestran que la colecistolitiasis es el principal factor de riesgo para el desarrollo de cáncer de la vesícula biliar[6,7], teniendo Chile una de las mayores prevalencias de esta neoplasia en el mundo y representando, actualmente, la tercera causa de muerte por tumores malignos en mujeres chilenas[8,9,10]. No hay referencias sobre la prevalencia de colecistolitiasis y cáncer de la vesícula biliar (CVB) en la población aymara, pueblo originario americano. Los objetivos del presente estudio fueron determinar la prevalencia de colecistolitiasis en la población aymara mayor de 18 años, mediante la ecografía abdominal y la prevalencia de CVB en los informes de biopsias de pacientes aymara sometidos a colecistectomía
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