Incidence of hepatitis B infection in Brunei Darussalam--analysis of racial distribution.

Brunei Darussalam has a mixed population with entirely different cultures and religions. The overall incidence of Hepatitis B virus (HBV) infection is 6%. A racial analysis of the incidence of HBV infection in Brunei shows a significantly higher incidence in Chinese compared to the other races. This is consistent with the incidence in the neighbouring countries.

A clinico-pathological profile of colonic polyps in Brunei Darussalam--a study of 25 cases treated by colonoscopic polypectomy.

Colonic polyps are not rare in Brunei Darussalam with an incidence of 13% in 193 colonoscopies performed over the last two years. Majority of the polyps were adenomatous. Incidence was higher in the Malays and had a male preponderance. Commonest age of presentation was above the age of 40 years and the pattern is comparable to the Western pattern. All the polyps were removed by colonoscopic polypectomy.