TY - CHAP M1 - Book, Section TI - IgA Vasculitis (Henoch-Schönlein Purpura) A1 - Manno, Rebecca L. A1 - Yazdany, Jinoos A1 - Tarrant, Teresa K. A1 - Kwan, Mildred A2 - Papadakis, Maxine A. A2 - McPhee, Stephen J. A2 - Rabow, Michael W. A2 - McQuaid, Kenneth R. PY - 2023 T2 - Current Medical Diagnosis & Treatment 2023 AB - IgA vasculitis (Henoch-Schönlein purpura), the most common systemic vasculitis in children, occurs in adults as well. Typical clinical features are palpable purpura, arthritis, and hematuria. Abdominal pain occurs less frequently in adults than in children. Pathologic features on skin biopsy include leukocytoclastic vasculitis with IgA deposition. Biopsy of the kidney reveals segmental glomerulonephritis with crescents and mesangial deposition of IgA. The cause is not known. SN - PB - McGraw-Hill Education CY - New York, NY Y2 - 2024/03/29 UR - accessmedicine.mhmedical.com/content.aspx?aid=1193125857 ER -