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Year : 2007  |  Volume : 55  |  Issue : 2  |  Page : 185

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

Department of Neurology, Lourdes Hospital, Kochi, Kerala, India

Date of Acceptance23-Dec-2006

Correspondence Address:
Boby Varkey Maramattom
Apartment B3, 427, 4th Street, SW Rochester
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/0028-3886.32807

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How to cite this article:
Maramattom BV. 'Parietal wasting' and dystonia secondary to a parasagittal mass lesion. Neurol India 2007;55:185

How to cite this URL:
Maramattom BV. 'Parietal wasting' and dystonia secondary to a parasagittal mass lesion. Neurol India [serial online] 2007 [cited 2023 Dec 2];55:185. Available from:

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.

 » References Top

1.Sandyk R. Spontaneous pain, hyperpathia and wasting of the hand due to parietal lobe haemorrhage. Eur Neurol 1985;24:1-3.  Back to cited text no. 1  [PUBMED]  
2.Burguera JA, Bataller L, Valero C. Action hand dystonia after cortical parietal infarction. Mov Disord 2001;16:1183-5.  Back to cited text no. 2  [PUBMED]  [FULLTEXT]
3.Khan AA, Sussman JD. Focal dystonia after removal of a parietal meningioma. Mov Disord 2004;19:714-6.  Back to cited text no. 3  [PUBMED]  [FULLTEXT]


  [Figure - 1], [Figure - 2]


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