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.

• 爱滋病病人心肌，感染刚地弓形虫假孢囊。鼠弓形虫感染是免疫缺陷成年人的一种机会性感染，也可能是先天性感染。