CD79A and hereditary spastic paraplegia: Henoch-Schönlein purpura (HSP), also named immunoglobulin A vasculitis (IgAV), accounts for almost 58.0% of pediatric primary vasculitis and exhibits non-thrombocytopenic purpura with several main features, including abdominal pain, histopathology (leukocytoclastic vasculitis with predominant IgA deposits on skin biopsy), arthritis or arthralgia, renal involvement [1–3].