🟣 Section 560.3 · IgA Vasculitis Nephritis (Henoch-Schönlein Purpura Nephritis)
Nelson Textbook of Pediatrics 22nd Edition | Palpable purpura (lower extremities), arthritis, abdominal pain, hematuria, IgA deposits in mesangium, nephritis, supportive care, corticosteroids for severe nephritis (proteinuria, hypertension, crescents).