期刊
AMERICAN JOURNAL OF MEDICAL GENETICS PART A
卷 182, 期 1, 页码 20-24出版社
WILEY
DOI: 10.1002/ajmg.a.61405
关键词
Okur-Chung neurodevelopmental syndrome; pituitary gland duplication
资金
- Undiagnosed Rare Disease Program of Catalonia (URD-Cat) [SLT002/16/00174]
Okur-Chung neurodevelopmental syndrome (OCNS, MIM#617062) is a rare autosomal dominant syndrome related to CSNK2A1 mutations. It is characterized by intellectual disability, hypotonia, feeding and speech difficulties, dysmorphic features, and multisystem involvement. To date, less than 30 patients with OCNS have been described in detail in the literature, primarily in Asian populations. Here, we report a 5-year-old Spanish female with OCNS arising from a novel CSNK2A1 mutation c.149A>G, p.Tyr50Cys. Although her clinical features were compatible with OCNS syndrome, magnetic resonance imaging unexpectedly showed a duplication of the pituitary gland, a clinical finding not previously related to any known genetic condition. Other novel signs were an absence of the olfactory bulbs and multiple duplications of cervical vertebrae. We suggest that the midline abnormalities may be a significant part of this condition and lead to diagnostic suspicion. However, further descriptions are needed.
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