DEMETRIOS KATSAROS, M.D SHARON GRUNDFEST-BRONIATOWSKI,^ M.D., F.A.C.S. Klippel-Trenaunay-Weber syndrome (KTWS) is a rare, congenital disorder characterized by vascular nevus formation, deep venous thrombosis, varicosities, and hypertrophy of affected tissues. A patient with known thrombosis of his ...