Human herpesvirus-6 meningoencephalitis in a recipient of an unrelated allogeneic bone marrow transplantation.

Background: Human herpesvirus-6 (HHV-6) has been implicated in bone marrow suppression, interstitial pneumonitis, and fatal meningoencephalitis in bone marrow transplant (BMT) recipients.

Methods: We describe the case of a woman with acute myeloid leukemia in second remission who developed febrile meningoencephalitis 8 months after a second unrelated BMT.

Results: Computed tomography and magnetic resonance images of the brain were nonspecific.