血管瘤是一种由皮肤毛细血管增生扩张所形成的良性肿瘤。临床可分为四型:①鲜红斑痣,又叫焰色痣。好发于头面部,呈紫红色斑块。不高出皮肤,压之退色。有的斑块表面可有红色小结节生长。②单纯性血管瘤,亦称草莓状血管瘤。病变常于出生后一月内出现,为大小不等的鲜红草莓状肿瘤,高出皮肤,压之不退色。部分病人在5岁左右自行消退。③海绵状血管瘤。见于皮肤、皮下、粘膜下,甚至肌肉内,呈紫红色或 Hemangiomas are benign tumors formed by the expansion of the skin’s capillary proliferation. Clinical can be divided into four types: 1 port wine stains, also known as flame color. Occurs in the head and face, showing a purple patch. Not over the skin, the pressure fades. Some plaques may have small red nodules on the surface. 2 simple hemangiomas, also known as strawberry-like hemangiomas. The lesions often appear within one month after birth. They are red-red strawberry-like tumors of different sizes, which are higher than the skin and do not fade. Some patients subsided on their own by the age of five. 3 cavernous hemangiomas. Found in the skin, subcutaneously, submucosally, even muscles, purple or