Browse
Explore conditions, clinical trials, and the organisations running them.
Up to: Hereditary neurological disease · Central nervous system malformation · Dyskeratosis congenita, X-linked
Hoyeraal-Hreidarsson syndrome
Hoyeraal-Hreidarsson syndrome (HHS) is a very rare X-linked recessive disorder considered to be a severe variant of dyskeratosis congenita characterized by intrauterine growth retardation, microcephaly, cerebellar hypoplasia, progressive combined immune deficiency and aplastic anemia.
This condition has no sub-types.