carreacti Thoug ngioma ,i"ma is congenital hemangioma, which is structural varients of ous hemangioma. And it is vascular malformation, in wbich acanthosis, papillomatosis, byperkeratosis develope secondarily. nthors have reported some cases of this disease, it is rare hema- rer 1ias been reported in Korea. Tbis 13 y. heai. "y female patient has erythematous patchs on her left knee at birth. It 'i.corii coin to egg sized. Bcause of verrcous iuflammatory reacti- vi nf irregui., rrucous surfaced plague, the lesion become necrotic thick crusty with savere offensive odor and patient complained of severe pain 8: motion .iee. Urinalysis, L . c.' .; P--A were within normal limit. PPD test we . Lt. knee AP & lat, revealed. Marked destroyed soft tissue .. anterior p !