02-26-2007, 03:07 PM
A 28-year-old man undergoes induction chemotherapy for acute myelogenous leukemia. He becomes severely pancytopenic, with a WBC count of 1320/microliter, Hgb 7.9 g/dL, and platelet count of 72,000/microliter. He becomes comatose. A CT scan of the head reveals a right parietal hemorrhage. He dies a day later. At autopsy, he is found to have a right middle cerebral arterial thrombosis with right parietal hemorrhagic infarction. Which of the following infectious agents is most likely to produce these findings:
A Herpes simplex virus
B Toxoplasma gondii
C Human immunodeficiency virus
D Cytomegalovirus
E Aspergillus niger
A Herpes simplex virus
B Toxoplasma gondii
C Human immunodeficiency virus
D Cytomegalovirus
E Aspergillus niger