Table of Contents    
Case Report
 
Bilaterally symmetrical involvement in hirayama disease: A rare presentation
Anand Pai1, Umadevi V2, Suresh Saravanakumar3
1MBBS, Resident Doctor, Department of General Medicine, Aarupadai Veedu Medical College and Hospital, Pondicherry, India.
2MD, Professor, Department of General Medicine, Aarupadai Veedu Medical College and Hospital, Pondicherry, India.
3MD, Associate Professor, Department of General Medicine, Aarupadai Veedu Medical College and Hospital, Pondicherry, India.

doi:10.5348/ijcri-2012-08-165-CR-12

Address correspondence to:
Anand Pai
Department of General Medicine
Aarupadai Veedu Medical College and Hospital
Kirumampakkam, Pondicherry- 607402
India
Phone: Mob: +919841320712; Ph: 044-28342171
Email: cdrocks_87@yahoo.co.in

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How to cite this article:
Pai A, Umadevi V, Saravanakumar S. Bilaterally symmetrical involvement in hirayama disease: A rare presentation. International Journal of Case Reports and Images 2012;3(8):43–45.


Abstract
Introduction: Hirayama disease (HD) or otherwise flexion cervical myelopathy is characterized by progressive muscular weakness and atrophy of the distal upper limbs most frequently seen in young males. Hirayama disease is thought to be secondary to an abnormal anterior displacement of the posterior dura with secondary compression of the lower cervical spinal cord and chronic injury to the anterior grey horn cells of cervical cord leading to localised cord atrophy. HD (brachial monomelic amyotrophy) is a unilateral or grossly asymmetric bilateral disease.
Case Report: A 26-year-old male who presented with progressive weakness and wasting in the distal muscles of both the upper limbs with no sensory involvement and autonomic involvement. Clinical, radiological and electrophysiologic findings in our patient were consistent with the diagnosis of HD. The patient was advised to wear a soft cervical collar. On three month follow up the patient had shown no progression of his disease.
Conclusion: There are very sparse reports of bilaterally symmetric involvement and hence we report this case as bilateral symmetric is a severe form of the classic disease which remains undiagnosed due to a common notion that it is a unilateral or grossly asymmetric disease, hence we report this case.

Key Words: Hirayama disease, Flexion cervical myelopathy, Bilateral symmetric involvement

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Author Contributions:
Anand Pai – Conception and design, Acquisition of data, Analysis and interpretation of data, Drafting the article, Critical revision of the article, Final approval of the version to be published
Umadevi V – Conception and design, Analysis and interpretation of data, Critical revision of the article; Final approval of the version to be published
Suresh Saravankumar – Analysis and interpretation of data, Critical revision of the article, Final approval of the version to be published
Guarantor of submission:
The corresponding author is the guarantor of submission.
Source of support:
None
Conflict of interest:
Authors declare no conflict of interest.
Copyright:
© Anand Pai et al. 2012; This article is distributed the terms of Creative Commons Attribution License which permits unrestricted use, distribution and reproduction in any means provided the original authors and original publisher are properly credited. (Please see Copyright Policy for more information.)