CASE COMMUNICATION
IMAJ | volume 25
Journal 3, March 2023
pages: 233-234
Bullous Hemorrhagic Target Lesions in IgA Leukocytoclastic Vasculitis
1 Department of Pediatrics, Hadassah Medical Organization and Faculty of Medicine, Hebrew University of Jerusalem, Israel
2 Department of Dermatology, Hadassah Medical Organization and Faculty of Medicine, Hebrew University of Jerusalem, Israel
3 Pathology, Hadassah Medical Organization and Faculty of Medicine, Hebrew University of Jerusalem, Israel
Summary
IgA vasculitis, formerly known as Henoch–Schönlein purpura (HSP), is the most common systemic vasculitis in children. It is defined as palpable purpura in the absence of coagulopathy or thrombocytopenia and one or more of the following criteria: abdominal pain, arthritis or arthralgia, biopsy of affected tissue demonstrating predominant IgA deposition, and renal involvement with proteinuria and hematuria or red cell casts [1].