A kidney biopsy revealed IgA nephropathy, a biopsy of skin rash showed leukocytoclastic vasculitis with IgA deposition, and video-assisted thoracoscopic surgery biopsy of lung lesions and lymph node biopsy showed IgA deposition; IgA vasculitis was diagnosed. This evidence concerns the gene CD79A and Henoch-Schoenlein purpura.