[Clinical and gene research of X-linked lymphoproliferative disease in a Chinese family].

Objective: To verify the pathogenesis in Chinese and to investigate the genetic rule of X-linked lymphoproliferative disease (XLP) therein.

Methods: The case history of a proband of XLP, male, aged 1 year and 5 months, who died 40 days after hospitalization, was reviewed. Fourteen his family members were interviewed for the development history, anamnesis, and underwent physical examination.