Neurology India Medknow Publications on behalf of the Neurological Society of India ISSN: 0028-3886 EISSN: 1998-4022 Vol. 55, Num. 2, 2007, pp. 185-185

Neurology India, Vol. 55, No. 2, April-June, 2007, pp. 185

Neuroimage

'Parietal wasting' and dystonia secondary to a parasagittal mass lesion

Maramattom BobyVarkey

Department of Neurology, Lourdes Hospital, Kochi, Kerala
Correspondence Address:Apartment B3, 427, 4th Street, SW Rochester bobvarkeys@yahoo.com

Date of Acceptance: 23-Dec-2006

Code Number: ni07073

A 50-year-old woman presented with a 10-year history of action dystonia involving her right leg. Neurological examination revealed only distal wasting of the right foot and pes cavus [Figure - 1]. Nerve conduction velocity, electromyographic studies, and video electroencephalography were normal. magnetic resonance imaging showed a large left parasagittal extraaxial mass lesion with surrounding subcortical edema [Figure - 2].

Muscle wasting due to upper motor neuron lesions is usually mild and attributed to disuse atrophy. Rarely, parietal lesions can cause a 'parietal wasting'.[1] Dystonia due to cortical lesions are also uncommon.[2],[3] In this case, the lesion location (over the leg motor cortex) suggested 'parietal wasting' and dystonia.

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