Hemangioma is a kind of familiar tumors in infants and callans.Usually, the tumor can go through three stages, including:proliferative phase, involuting phase and involuted phase.

• 血管瘤是婴儿和青少年常见的肿瘤,通常情况下血管瘤的生长可分为增殖期、消退期以及消退完成期。