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Pseudodystonia in sarcoid myopathy

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Title: Pseudodystonia in sarcoid myopathy
Other Titles: Pseudo-dystonia in sarcoid myopathy
Authors: Uwatoko, Hisashi Browse this author
Yabe, Ichiro Browse this author →KAKEN DB
Shirai, Shinichi Browse this author
Takahashi, Ikuko Browse this author
Matsushima, Masaaki Browse this author →ORCID
Kano, Takahiro Browse this author
Sasaki, Hidenao Browse this author →KAKEN DB
Keywords: flexion contracture
Movement Disorders
Muscle Disease
sarcoid myopathy
Issue Date: Jan-2017
Publisher: Wiley
Journal Title: Neurology and Clinical Neuroscience
Volume: 5
Issue: 1
Start Page: 34
End Page: 35
Publisher DOI: 10.1111/ncn3.12093
Abstract: We describe a 61-year-old woman with difficulty extending her left ring finger and little finger caused by sarcoid myopathy. Since her symptom temporarily improved with carpal flexion or forearm pronation, we once misdiagnosed her as having dystonia of upper limb. Her symptom gradually worsened and muscle biopsy specimen revealed sarcoid myopathy. Muscle MRI of left forearm showed abnormal signals in the quadriceps femoris and biceps brachii muscles, and area surrounding the flexor digitorum profundus (FDP) and supinator muscles. Treatment with prednisolone was effective and stopped progression of the symptom. Adhesion of supinator muscle and FDP due to inflammation may have caused limited extension of FDP.
Rights: This is the peer reviewed version of the following article: Uwatoko, H., Yabe, I., Shirai, S., Takahashi, I., Matsushima, M., Kano, T. and Sasaki, H. (2017), Pseudodystonia in sarcoid myopathy. Neurol Clin Neurosci, 5: 34–35, which has been published in final form at This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Self-Archiving.
Type: article (author version)
Appears in Collections:医学院・医学研究院 (Graduate School of Medicine / Faculty of Medicine) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 矢部 一郎

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