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GTR Home > Tests > SKIV2L - NGS including CNV analysis

Indication

This is a clinical test intended for Help: Diagnosis

Clinical summary

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Imported from GeneReviews

Trichohepatoenteric syndrome (THES), generally considered to be a neonatal enteropathy, is characterized by intractable diarrhea (seen in almost all affected children), woolly hair (seen in all), intrauterine growth restriction, facial dysmorphism, and short stature. Additional findings include poorly characterized immunodeficiency, recurrent infections, skin abnormalities, and liver disease. Mild intellectual disability (ID) is seen in about 50% of affected individuals. Less common findings include congenital heart defects and platelet anomalies. To date 52 affected individuals have been reported.

Clinical features

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Imported from Human Phenotype Ontology (HPO)

  • Colitis
  • Diarrhea
  • Fetal growth restriction
  • Chronic hepatitis
  • Hepatomegaly
  • Hypertelorism
  • Immunodeficiency
  • Cirrhosis of liver
  • Premature birth
  • Bloody diarrhea
  • Decreased circulating iron concentration
  • Small for gestational age
  • Trichorrhexis nodosa
  • Brittle hair
  • Wooly hair
  • Chronic diarrhea
  • Villous atrophy
  • Depressed nasal bridge
  • Prominent forehead
  • Wide nasal bridge
  • Uncombable hair
  • Failure to thrive
  • Sparse hair
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Conditions tested

Target population

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Not provided

Clinical validity

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This panel should be performed in all individuals suspected of having an overlapping clinical phenotype. Confirmation of a clinical diagnosis through genetic testing can allow for genetic counseling and may direct medical management. Genetic counseling can provide a patient and/or family with the natural history of the condition, identify at-risk family members, provide reproductive risks as well as preconception/prenatal options, and allow for appropriate referral for patient support and/or resources.

Citations

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Clinical utility

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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.