Internal Medicine
Online ISSN : 1349-7235
Print ISSN : 0918-2918
ISSN-L : 0918-2918
CASE REPORTS
Early-onset Parkinson's Disease Associated with Chromosome 22q11.2 Deletion Syndrome
Mitsuaki OkiShin-ichiro HoriShinya AsayamaReika WateSatoshi KanekoHirofumi Kusaka
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JOURNALS OPEN ACCESS

2016 Volume 55 Issue 3 Pages 303-305

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Abstract

We herein report the case of a 43-year-old man with a 4-year history of resting tremor and akinesia. His resting tremor and rigidity were more prominent on the left side. He also presented retropulsion. His symptoms responded to the administration of levodopa. The patient also had a cleft lip and palate, cavum vergae, and hypoparathyroidism. A chromosome analysis disclosed a hemizygous deletion in 22q11.2, and he was diagnosed with early-onset Parkinson's disease associated with 22q11.2 deletion syndrome. However, the patient lacked autonomic nerve dysfunction, and his cardiac uptake of 123I-metaiodobenzylguanidine was normal, indicating an underlying pathological mechanism that differed to that of sporadic Parkinson's disease.

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© 2016 by The Japanese Society of Internal Medicine
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