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Progressive myoclonic tremor mimicking functional tremor in Hirayama disease

Progressive myoclonic tremor mimicking functional tremor in Hirayama disease Acta Neurol Belg (2018) 118:517–518 https://doi.org/10.1007/s13760-017-0826-3 LETTER TO THE EDITOR Progressive myoclonic tremor mimicking functional tremor in Hirayama disease 1 1 2 1 • • • Do-Young Kwon Jinhee Kim HoKyong Yoon Moon Ho Park Received: 12 May 2017 / Accepted: 25 July 2017 / Published online: 10 August 2017 Belgian Neurological Society 2017 Dear Editor, examination revealed bilateral asymmetric (left side dom- inant) weakness and subtle atrophy in the distal forearm Hirayama disease, also known as monomelic amyotrophy and intrinsic hand muscles. In addition, he had asymmetric, and non-progressive juvenile muscular atrophy of distal jerky, irregular myoclonic tremors in the resting as well as upper limbs, is a rare neurological disorder inflicting arm-outstretched posture. A presumptive diagnosis of slowly progressive muscular atrophy and weakness of the functional movement disorder was made, considering the upper extremity associated with spinal cord atrophy [1]. temporal relationship of his mandatory enlistment and Abnormal imaging findings of cord compression prominent neurological examination findings of variability of fre- on neck flexed postures are important for the diagnosis of quency and distractibility with motor tasks; however, this disease [2, 3]. Besides focal amyotrophy and weakness suggestibility and coherence was not evident (video seg- of the http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Acta Neurologica Belgica Springer Journals

Progressive myoclonic tremor mimicking functional tremor in Hirayama disease

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Publisher
Springer Journals
Copyright
Copyright © 2017 by Belgian Neurological Society
Subject
Biomedicine; Neurosciences; Neurology; Neuroradiology; Medicine/Public Health, general
ISSN
0300-9009
eISSN
2240-2993
DOI
10.1007/s13760-017-0826-3
Publisher site
See Article on Publisher Site

Abstract

Acta Neurol Belg (2018) 118:517–518 https://doi.org/10.1007/s13760-017-0826-3 LETTER TO THE EDITOR Progressive myoclonic tremor mimicking functional tremor in Hirayama disease 1 1 2 1 • • • Do-Young Kwon Jinhee Kim HoKyong Yoon Moon Ho Park Received: 12 May 2017 / Accepted: 25 July 2017 / Published online: 10 August 2017 Belgian Neurological Society 2017 Dear Editor, examination revealed bilateral asymmetric (left side dom- inant) weakness and subtle atrophy in the distal forearm Hirayama disease, also known as monomelic amyotrophy and intrinsic hand muscles. In addition, he had asymmetric, and non-progressive juvenile muscular atrophy of distal jerky, irregular myoclonic tremors in the resting as well as upper limbs, is a rare neurological disorder inflicting arm-outstretched posture. A presumptive diagnosis of slowly progressive muscular atrophy and weakness of the functional movement disorder was made, considering the upper extremity associated with spinal cord atrophy [1]. temporal relationship of his mandatory enlistment and Abnormal imaging findings of cord compression prominent neurological examination findings of variability of fre- on neck flexed postures are important for the diagnosis of quency and distractibility with motor tasks; however, this disease [2, 3]. Besides focal amyotrophy and weakness suggestibility and coherence was not evident (video seg- of the

Journal

Acta Neurologica Belgica – Springer Journals

Published: Aug 10, 2017

References

  • Juvenile muscular atrophy of distal upper extremity (Hirayama disease)
    Hirayama, K
  • Imaging features in Hirayama disease
    Sonwalkar, HA; Shah, RS; Khan, FK; Gupta, AK; Bodhey, NK; Vottath, S; Purkayastha, S
  • Hirayama disease
    Huang, YL; Chen, CJ
  • Neck flexion-induced finger tremor: a novel observation in Hirayama disease
    Koutsis, G; Velonakis, G; Breza, M; Karavasilis, E; Zambelis, T; Panas, M
  • Teaching NeuroImages: a case of Hirayama disease presenting with polymyoclonus
    Ong, JJ; Wang, FS; Chan, YC