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Radio-ulnar synostosis-amegakaryocytic thrombocytopenia syndrome is characterized by the association of proximal fusion of the radius and ulna with congenital amegakaryocytic thrombocytopaenia. Less than 10 cases have been reported in the literature so far. The syndrome is transmitted as an autosomal dominant trait and is caused by mutations in the HOXA11 gene (7p15).
Estimated prevalence: <1 in 1,000,000 (VERY_RARE).
No clinical trials have been registered for radio-ulnar synostosis-amegakaryocytic thrombocytopenia syndrome.
2 publications have been identified in PubMed for radio-ulnar synostosis-amegakaryocytic thrombocytopenia syndrome. Research spans Case Report / Case Series (50%) and Basic Science / Preclinical (50%).
Schecter DR (2026). [PMID: 41635268](https://pubmed.ncbi.nlm.nih.gov/41635268/). *Am J Med Genet A*. [Case Report / Case Series]
Mokhtari A (2026). [PMID: 40842263](https://pubmed.ncbi.nlm.nih.gov/40842263/). *Clin Genet*. [Basic Science / Preclinical]
Data assembled from 3 of 12 sources · Last updated Sep 20, 2026, 9:35 PM UTC
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