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GTR Home > Tests > TP63-Related Disorders via the TP63 Gene

Indication

This is a clinical test intended for Help: Screening, Mutation Confirmation, Diagnosis, Pre-symptomatic, Risk Assessment

Clinical summary

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Imported from GeneReviews

The TP63-related disorders comprise six overlapping phenotypes: Ankyloblepharon-ectodermal defects-cleft lip/palate (AEC) syndrome (which includes Rapp-Hodgkin syndrome). Acro-dermo-ungual-lacrimal-tooth (ADULT) syndrome. Ectrodactyly, ectodermal dysplasia, cleft lip/palate syndrome 3 (EEC3). Limb-mammary syndrome. Split-hand/foot malformation type 4 (SHFM4). Isolated cleft lip/cleft palate (orofacial cleft 8). Individuals typically have varying combinations of ectodermal dysplasia (hypohidrosis, nail dysplasia, sparse hair, tooth abnormalities), cleft lip/palate, split-hand/foot malformation/syndactyly, lacrimal duct obstruction, hypopigmentation, hypoplastic breasts and/or nipples, and hypospadias. Findings associated with a single phenotype include ankyloblepharon filiforme adnatum (tissue strands that completely or partially fuse the upper and lower eyelids), skin erosions especially on the scalp associated with areas of scarring, and alopecia, trismus, and excessive freckling.

Clinical features

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Imported from Human Phenotype Ontology (HPO)

  • Conjunctivitis
  • Ectodermal dysplasia
  • Eczema
  • Freckling
  • Partial congenital absence of teeth
  • Nail pits
  • Dermal atrophy
  • Dry skin
  • Absent nipple
  • Microdontia
  • Toe syndactyly
  • Breast hypoplasia
  • Cutaneous photosensitivity
  • Thin skin
  • Split foot
  • Hypoplastic nipples
  • Alopecia of scalp
  • Nasolacrimal duct obstruction
  • Wide intermamillary distance
  • Fair hair
  • Adermatoglyphia
  • Sparse scalp hair
  • Sparse axillary hair
  • Premature loss of permanent teeth
  • Split hand
  • Orofacial cleft
  • Oligodontia
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Conditions tested

Target population

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Candidates for this test are patients with features consistent with above phenotypes, and family members of patients who have a known TP63 variant.

Citations

Not provided

Clinical validity

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Not provided

Clinical utility

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Not provided

IMPORTANT NOTE: NIH does not independently verify information submitted to the GTR; it relies on submitters to provide information that is accurate and not misleading. NIH makes no endorsements of tests or laboratories listed in the GTR. GTR is not a substitute for medical advice. Patients and consumers with specific questions about a genetic test should contact a health care provider or a genetics professional.