[Prevalence of gallbladder cancer in a Northern Chilean region].

Background: Gallbladder Cancer (GBC) prevalence varies among countries, associated with different geographical and genetic factors. The Mapuche ethnicity (Ethnia mostly located between the VIII and X Chilean regions) stands out in Chile due to its high GBC prevalence.

Aim: To estimate the GBC prevalence in patients undergoing cholecystectomy at a public hospital in the Northern region of Chile (Tarapaca), where other ethnical groups are common.

[Prevalence of cholelithiasis and gallbladder cancer among Aymara individuals].

Background: The prevalence of cholelithiasis and gallbladder cancer may be different across ethnic groups.

Aim: To study the prevalence of cholelithiasis and gallbladder cancer among Aymara individuals.

Material And Methods: 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.