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GTR Home > Tests > Diamond-Blackfan Anemia and Bone Marrow Failure via the RPL15 Gene

Indication

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

Clinical summary

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Imported from GeneReviews

Diamond-Blackfan anemia (DBA) is characterized by a profound normochromic and usually macrocytic anemia with normal leukocytes and platelets, congenital malformations in up to 50%, and growth deficiency in 30% of affected individuals. The hematologic complications occur in 90% of affected individuals during the first year of life. The phenotypic spectrum ranges from a mild form (e.g., mild anemia or no anemia with only subtle erythroid abnormalities, physical malformations without anemia) to a severe form of fetal anemia resulting in nonimmune hydrops fetalis. DBA is associated with an increased risk for acute myelogenous leukemia (AML), myelodysplastic syndrome (MDS), and solid tumors including osteogenic sarcoma.

Clinical features

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Imported from Human Phenotype Ontology (HPO)

  • Macrocytic anemia
  • Ventricular septal defect
  • Normochromic anemia
  • Triphalangeal thumb
  • Reticulocytopenia
  • Elevated red cell adenosine deaminase activity
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Conditions tested

Target population

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Patients with symptoms of Diamond-Blackfan anemia or indication of bone marrow failure or MDS/AML are candidates for this test. Other candidates for this test include potential donors and patients with an indication of bone marrow failure and who have tested negative for other bone marrow failure disorders such as Fanconi anemia, Shwachman-Diamond syndrome, dyskeratoris congenita, and severe congenital neutropenia.

Citations

Not provided

Clinical validity

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Not provided

Clinical utility

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Not provided

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