Herpes varicella tester encephalitis in immunocompromised patients

The authors describe specific MRI features that suggest the diagnosis of va ricella tester encephalitis. MRI initially revealed discrete, subcortical, nonenhancing lesions that coalesced and developed enhancement. Gray matter involvement was seen later. Autopsy revealed spherical lesions of demyelina tion and hemorrhagic cavitation confirmed. as varicella tester encephalitis . Characteristic MR features may suggest the diagnosis of varicella tester encephalitis, enabling definitive diagnostic testing and early institution of antiviral treatment.