Toxoplasmosis of the conus medullaris in a patient with hemophilia A-associated AIDS

Case report

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Toxoplasma gondii has been reported to be the most common cause of focal brain lesions in patients with acquired immunodeficiency syndrome (AIDS). A case of intramedullary toxoplasmosis of the conus medullaris is reported in a patient with hemophilia A-associated AIDS. The diagnosis is discussed, with particular emphasis on the magnetic resonance imaging appearance.

Article Information

Address reprint requests to: Constance Kayser, M.D., 2140 Boston Court D, Indianapolis, Indiana 46208.

© AANS, except where prohibited by US copyright law.

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Figures

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    Gadolinium-enhanced magnetic resonance image showing a brightly enhancing conus lesion (arrow).

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    Photomicrograph of the tissue smear showing at least five tachyzoites in the cytoplasm around the cell nucleus. Three crescentic forms with dark nuclei are marked with arrows. Giemsa, × 860.

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