血管瘤是婴儿最常见的肿瘤，虽可出生时即存在，但多于生后数周始出现，并迅速进入增殖期，1岁后生长减慢，7岁时约70％可全消退或仅残留瘕疵，与先天性血管畸形不同，因其可自行消退而多不予治疗。约5～10％的血管瘤病例可体积巨大，影响生命器官功能，危及生命，生长迅速，有 Hemangioma is the most common tumor in infants. Although it exists at birth, it occurs more than a few weeks after birth and rapidly enters the proliferative phase. Growth is slowed after 1 year of age. About 70% of 7 years old can disappear completely or only Residual sputum, unlike congenital vascular malformations, is self-resolved and not treated. About 5-10% of hemangioma cases can be huge in volume, affecting vital organ function, life-threatening, and rapid growth.