Early-onset Parkinson's Disease Associated with Chromosome 22q11.2 Deletion Syndrome

Mitsuaki Oki; Shin-ichiro Hori; Shinya Asayama; Reika Wate; Satoshi Kaneko; Hirofumi Kusaka

doi:10.2169/internalmedicine.55.5485

CASE REPORTS

Early-onset Parkinson's Disease Associated with Chromosome 22q11.2 Deletion Syndrome

Mitsuaki Oki, Shin-ichiro Hori, Shinya Asayama, Reika Wate, Satoshi Kaneko, Hirofumi Kusaka

Author information

Keywords: Parkinson's disease, 22q11.2 deletion syndrome, ¹²³I-metaiodobenzylguanidine cardiac scintigraphy

JOURNAL OPEN ACCESS

2016 Volume 55 Issue 3 Pages 303-305

DOI https://doi.org/10.2169/internalmedicine.55.5485

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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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