Fig. 2
From: Cardiotoxicity associated with CTLA4 and PD1 blocking immunotherapy
Histologic presentation of case 5. a H&E stain of the endomyocardial biopsy shows patchy lymphohistiocytic infiltrates associated with myocyte damage, diagnostic for lymphocytic myocarditis. b IHC stain for CD3 highlights in brown T cells within the inflammatory infiltrate (c) IHC stain for CD8 highlights in brown T cells within the inflammatory infiltrate (d) IHC stain for CD68 shows many histiocytes/macrophages within the myocardial inflammation