- Consists of
- skin port-wine stain (usually on a limb),
- limb overgrowth,
- venous abnormalities in the overgrown limb
- most notably varicose veins.
- Mainly a venous anomalies
- AVMs and fistulas are not part of this disorder, for which no genetic cause is known (in contrast with Parkes-Weber and CM-AVM Syndrome).
- It is probably incorrect to consider KT in the differential diagnosis of spine or brain arteriovenous shunts.
- However, some believe that Sturge-Weber Syndrome and KT Syndrome are expressions of the same disease involving either the brain or the extremities.