Abstract
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.
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References
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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.
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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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Bhidayasiri, R., Tarsy, D. (2012). Cervical Dystonia: Anterocollis. In: Movement Disorders: A Video Atlas. Current Clinical Neurology. Humana, Totowa, NJ. https://doi.org/10.1007/978-1-60327-426-5_41
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DOI: https://doi.org/10.1007/978-1-60327-426-5_41
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Publisher Name: Humana, Totowa, NJ
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Online ISBN: 978-1-60327-426-5
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