Pigmented purpuric dermatosis and hepatitis profile: a report on 10 patients.

Background: Pigmented purpuric dermatosis comprises a group of vascular disorders of unknown etiology. Histologically, it is characterized by lymphocytic capillaritis in the papillary dermis. Although leukocytoclastic vasculitis confined to the skin is frequently reported with hepatitis C, lymphocytic vasculitis is rarely reported.

HLA and leprosy: segregation and linkage study.

Background: The presence of a genetic factor in the determination of leprosy has long been debated. This study tests whether the HLA-linked control of susceptibility to leprosy and/or for the types of leprosy could be confirmed.

Materials And Methods: In 15 multicase families, the method of DeVries et al.