LD26.60 Angio-osteohypertrophic syndrome

International Classification of Diseases for Mortality and Morbidity Statistics, 11th Revision, v2024-01

Angio-osteohypertrophic (AOH) syndrome is a congenital vascular bone syndrome characterised by the presence of vascular malformations in a limb resulting in limb overgrowth. Depending on whether the malformations are slow flow venous or fast flow arteriovenous the syndrome may be divided into two subtypes, Klippel-Trénaunay and Parkes-Weber syndromes respectively. Some cases of the latter are associated with mutations in the RASA1 gene.

synonyms

• Angio-osteohypertrophic syndrome
• Haemangiectatic hypertrophy
• Klippel-Trénaunay syndrome
• Klippel-Trenaunay-Weber syndrome
• Parkes-Weber syndrome

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