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Klippel-Trenaunay syndrome (KTS). (A) Extensive combined capillary (portwine satin)-lymphatico-venousomal formation of the right lower extremity. These may be flat, or elevated as in this case. (B) Capillary malformation (portwine stain) and varicose veins. (C) Hypertrophic right arm and trunk together with capillary and venous malformations. Subcutaneous hypertrophy also is present (arrow).
