Figure 1

Immunohistochemical staining of CD3 and T-cell intracellular antigen in myocardial muscle and skeletal muscle. Arrows indicate positive expression of brownish-stained lymphocyte cells embedded within bluish myocardiocytes and skeletal muscle cells, respectively. Abbreviations: MM, myocardial muscle; SM skeletal muscle; TIA, T-cell intracellular antigen.