刚地弓形虫假孢囊:AIDS心肌（显微镜） 脑组织脓肿（大体） 脑组织（显微镜）
This is a Toxoplasma gondii pseudocyst in the myocardium of a patient with AIDS. Toxo is an opportunistic infection of immunocompromised adults. It may also be a congenital infection.
