Klippel-Trenaunay syndrome
DEFINITION
Klippel-Trenaunay syndrome is a malformation found at birth (congenital) involving abnormal development of blood vessels, soft tissues and bones. People who have Klippel-Trenaunay syndrome may have the following features:
- Reddish-purple birthmarks called port-wine stains or capillary malformations
- Larger and longer extremities due to bone and soft tissue overgrowth that occurs most often in one of the lower limbs
- Varicose veins