A 47-year old HIV infected man with jerking of his right hand

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Presentation transcript:

A 47-year old HIV infected man with jerking of his right hand Teaching NeuroImages Neurology Resident and Fellow Section © 2013 American Academy of Neurology

A 47- year old with longstanding HIV infection presented with with 3-week history of clumsiness and shaking of his right hand. Clinical examination revealed a slow, irregular distal tremor of the right upper limb present at rest and posture (Video) Katchanov et al.

Video Katchanov et al.

Katchanov et al. Title: PML lesion restricted to the posterior fossa Figure. T2-weighted MRI showing typical hyperintense crescent-shaped PML lesion involving the right middle cerebellar peduncle and white matter of the right cerebellar hemisphere. Katchanov et al.

Holmes tremor is a rare manifestation of PML. Katchanov et al. The imaging of his brain revealed a demyelinating lesion affecting the right middle cerebellar peduncle and adjacent cerebellar white matter (Figure). The CSF PCR for JC-virus was strongly positive establishing the diagnosis of progressive multifocal leukoencephalopathy (PML). Holmes tremor is a rare manifestation of PML. Katchanov et al. 1. Berger JR, Aksamit AJ, Clifford DB, Davis L, Koralnik IJ, Sejvar JJ, Bartt R, Major EO, Nath A. PML diagnostic criteria: consensus statement from the AAN Neuroinfectious Disease Section. Neurology 2013;80:1430-8. 2. Sporer B, Seelos K, Asmus F, Boetzel K, Pfister HW. Posterior fossa tremor induced by HIV-associated progressive multifocal leukoencephalopathy. Eur Neurol 2005;53:96-7.