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Mosaic trisomy 14

Disease definition

Mosaic trisomy 14 is a rare chromosomal anomaly disorder, with a highly variable phenotype, principally characterized by growth and developmental delay, intellectual disability, body asymmetry/hypotonia, congenital heart defects, genitourinary abnormalities (cryptorchidism, micropenis, large clitoris, labial swelling), and abnormal skin hyperpigmentation. Patients usually present with craniofacial dysmorphism such as microcephaly, abnormal palpebral fissure, hypertelorism, ear abnormalities, broad nose, low-set ears, micro/retro-gnathia, and cleft or highly arched palate.

ORPHA:1703

Classification level: Disorder
  • Synonym(s):
    • Mosaic trisomy chromosome 14
    • Trisomy 14 mosaicism
  • Prevalence: -
  • Inheritance: -
  • Age of onset: Antenatal, Neonatal
  • ICD-10: Q92.1
  • OMIM: -
  • UMLS: C0795851  C2930917
  • MeSH: C535489
  • GARD: 1327
  • MedDRA: -

Detailed information

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Additional information

Further information on this disease

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The documents contained in this web site are presented for information purposes only. The material is in no way intended to replace professional medical care by a qualified specialist and should not be used as a basis for diagnosis or treatment.