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Clinical Course and Detection of Virus-Like Particles After Antiviral Chemotherapy

John P. Conomy, MD; N. Shelley Beard, MD; Hiroyuke Matsumoto, MD; Uros Roessmann, MD

JAMA. 1974;229(10):1313-1316.

Abstract
Cytarabine (cytosine arabinoside) was utilized in the treatment of a patient with chronic lymphocytic leukemia who developed symptomatic progressive multifocal leukoencephalopathy (PML) after a 12-year course of lymphoproliferative illness. An immediate and impressive degree of neurologic improvement occurred with the institution of antiviral chemotherapy, but clinical benefit was not sustained and the patient died of his neurologic disorder. On gross examination at postmortem, necrotic changes in the demyelinated areas of the brain were seen. Light and electron microscopic studies showed changes characteristic of PML and virus-like particles abundant in glial cells. Cytarabine may have some influence on the course of the illness, but the quality of therapeutic effect needs further investigation.

(JAMA 229:1313-1316, 1974)

Author Affiliations
From the Department of Medicine, Division of Neurology (Drs. Conomy and Matsumoto), and the Divisions of hematology (Dr. Beard), pathology, and neuropathology (Dr. Roessmann), University Hospitals of Cleveland and Case Western Reserve University Medical School, Cleveland.

Footnotes
Reprint requests to University Hospitals of Cleveland, 2065 Adelbert Rd, Cleveland, OH 44106 (Dr. Conomy).

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