Genital PK appeared more frequently in the Asian population than in reports from western countries. Genital PK presented mostly as pruritic lesions in Taiwan, with a wide age distribution. Long-term follow-up might be needed.
Fifteen patients with HBsAg-positive, severe chronic active hepatitis, nine DNA polymerase (DNAP)-positive and six negative were treated with intravenous adenine arabinoside (Ara-A) in a dose of 10 mg/kg/day for five consecutive days during each of two consecutive weeks. Of the DNAP-positive patients, two responded with histological and clinical remission as well as permanent loss of DNAP. However, histological and clinical remission were also observed in patients with unsatisfactory DNAP response and even in DNAP-negative patients. It is suggested that, in addition to its antiviral effect, Ara-A might have another mechanism, such as immunosuppression, that induced histological and clinical remission. Alternatively, the discrepancy of response might relate to the natural course of chronic type B hepatitis. Accordingly, controlled trial is mandatory for assessing the effect of Ara-A or any other agent in the treatment of chronic type B hepatitis.
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