x

Search for a rare disease

* (*) mandatory field

Other search option(s)

Suggest an update

(*) Required fields.

Attention

Only comments seeking to improve the quality and accuracy of information on the Orphanet website are accepted. For all other comments, please send your remarks via contact us. Only comments written in English can be processed.

Orphanet doesn't provide personalised answers. To get in touch with the Orphanet team, please contact

Information provided in your contribution (including your email address) will be stocked in .CSV files that will be sent as an email to Orphanet's teams. These emails might be conserved in the teams' mailboxes, in our backoffice servers but will not be registered in our databases (for more information see our section General Data Protection Regulation and data privacy (GDPR) and Confidentiality).

Captcha image

49,XXXYY syndrome

Disease definition

49,XXXYY syndrome is a rare gonosome anomaly syndrome characterized by a eunuchoid habitus with gynecoid fat distribution and shape, normal to tall stature, moderate to severe intellectual disability, distinctive facial features (e.g. prominent forehead, epicanthic folds, broad nasal bridge, prognathism), gynecomastia, hypogonadism, cryptorchidism, small penis and behavioral abnormalities (incl. solitary, passive disposition but prone to aggressive outbursts, autistic). Skeletal malformations, such as delayed bone age, fifth finger clinodactyly, elbow malformations and slow molar development, may also be associated.

ORPHA:261534

Classification level: Disorder
  • Synonym(s): -
  • Prevalence: <1 / 1 000 000
  • Inheritance: -
  • Age of onset: Neonatal
  • ICD-10: Q98.8
  • OMIM: -
  • UMLS: C4749586
  • MeSH: -
  • GARD: 10922
  • MedDRA: -

  A summary on this disease is available in Italiano (2018) Español (2018) Nederlands (2018) Polski ()

Detailed information

Guidelines

ERN produced/endorsed by ERN(s)   FSMR produced/endorsed by FSMR(s)

Additional information

Further information on this disease

Patient-centred resources for this disease

Research activities on this disease

Specialised Social Services

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.