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This photomicrograph reveals some of the histopathology found in this cardiac tissue sample in a case of cardiac toxoplasmosis. The biopsy specimen was harvested from a patient with a fatal case of AIDS. You're able to see that contained within a myocyte is what is referred to as a pseudocyst, containing numerous Toxoplasma gondii bradyzoites. Several myocardial contraction bands, and scattered inflammatory cells are visible as well.
Public Health Image Library
CDC/ Dr. Edwin P. Ewing, Jr., “CARDIAC TOXOPLASMOSIS,” The Global Health Chronicles, accessed January 20, 2019, https://globalhealthchronicles.org/items/show/7684.