Syndromes Affecting Blood Codexery

Hoyeraal–Hreidarsson syndrome

A severe X-linked telomere disorder with early bone marrow failure.

Hoyeraal–Hreidarsson syndrome is a rare, severe form of dyskeratosis congenita. This X-linked condition, seen mainly in males, causes very short telomeres. Early childhood symptoms include a small cerebellum, weak immune system, bone marrow failure, and restricted growth before birth.

Quick Facts

Causes: Mutation in genes related to telomere maintenance

Facts from the source article.

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