Figure 3From: Fatal myocarditis in a child with systemic onset juvenile idiopathic arthritis during treatment with an interleukin 1 receptor antagonistImmunophenotyping of inflammatory cells in the myocardium. Photomicrographs (×400) showing immunohistochemical staining of paraffin-embedded formalin-fixed myocardial tissue sections using antibodies directed against CD3, CD20, and CD68. The inflammatory cells are mostly CD3 positive T-cells and CD68 positive macrophages. CD20 positive B-cells were essentially absent.Back to article page