Cervical Dystonia: Anterocollis

  • Roongroj Bhidayasiri
  • Daniel Tarsy
Part of the Current Clinical Neurology book series (CCNEU)


Anterocollis usually accompanies other forms of cervical dystonia such as rotational torticollis or laterocollis but may occur in isolation. Pure anterocollis sometimes occurs as a dystonic manifestation of multiple system atrophy. Anterocollis must be differentiated from “dropped head syndrome” in which a myopathy of the paraspinal extensor muscles is present which causes weakness of neck extension.


Public Health Internal Medicine Botulinum Toxin Multiple System Atrophy Extensor Muscle 
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Supplementary material

CD-Anterocollis.mp4 (MP4 3,630KB)

The patient displays a mixed pattern of left laterocollis and torticollis. With eyes closed, she develops the slow appearance of anterocollis down and to the left side.


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    Boesch SM, Wenning GK, Ransmayr G, Poewe W. Dystonia in multiple system atrophy. J Neurol Neurosurg Psychiatry. 2002;72:300–3.PubMedCentralPubMedCrossRefGoogle Scholar
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    Askmark H, Edebol Eeg-Olofsson K, Johnsson A. Parkinsonism and neck extensor myopathy: a new syndrome or coincidental findings. Arch Neurol. 2001;58:232–7.PubMedCrossRefGoogle Scholar

Copyright information

© Springer Science+Business Media New York 2012

Authors and Affiliations

  • Roongroj Bhidayasiri
    • 1
    • 2
  • Daniel Tarsy
    • 3
  1. 1.Chulalongkorn Center of Excellence on Parkinson’s Disease and Related DisordersChulalongkorn University HospitalBangkokThailand
  2. 2.Department of NeurologyDavid Geffen School of Medicine at UCLALos AngelesUSA
  3. 3.Department of NeurologyHarvard Medical School Beth Israel Deaconess Medical CenterBostonUSA

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