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Myasthenia gravis: an unrecognized cause of head drop in Parkinson's disease.

Abstract：

:Head drop is characterized by marked anterior flexion of the cervical spine, caused by weakness of the neck extensors or by increased tone of the flexor muscles. We report a woman with Parkinson's disease and head drop not due to cervical dystonia (a common cause of antecollis in parkinsonisms). Clinical, radiological, and neurophysiological features together with responsiveness to anticholinesterases and plasma exchanges indicated the possibility of a concomitant myasthenia gravis.

journal_name

Parkinsonism Relat Disord

journal_title

Parkinsonism & related disorders

authors

Fasano A,Evoli A,Piano C,Tonali PA,Bentivoglio AR

doi

10.1016/j.parkreldis.2007.02.009

subject

Has Abstract

pub_date

2008-01-01 00:00:00

pages

164-5

issue

2

eissn

1353-8020

issn

1873-5126

pii

S1353-8020(07)00048-X

journal_volume

14

pub_type

杂志文章

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