Klippel Trenaunay Weber syndrome

Klippel-Trénaunay-Weber syndrome, often simply Klippel-Trénaunay syndrome (KTS) and sometimes angioosteohypertrophy syndrome and hemangiectatic hypertrophy, is a rare congenital medical condition in which blood vessels and/or lymph vessels fail to form properly. The three main features are nevus flammeus (port-wine stain), venous and lymphatic malformations, and soft-tissue hypertrophy of the affected limb. There is disagreement as to how cases of KTS should be classified if there is an arteriovenous fistula present. Several authorities have suggested that the term Parkes Weber syndrome is applied in those cases. ICD-10 currently uses the term "Klippel-Trénaunay-Weber syndrome". The birth defect is diagnosed by the presence of a...