Nontuberculous mycobacterial infections occur in immunocompromised patients but so rarely involve the central nervous system (CNS) that they may not be included in a differential diagnosis of CNS lesions in such patients.
Department of Neurology, University of Michigan Medical Center, 1924 Taubman Center, 1500 E. Medical Center Drive, Ann Arbor, MI 48109, USA. alitt@umich.edu