Results The complete involution average age for prednisone and was found 5.4 years and the pulsed dye lasers was 3.8 years, and the part of without treatment was 5.8 years.

• 结果患者经波尼松、平阳霉素治疗完全消退年龄平均5.；4年，经脉冲染料激光治疗完全消退年龄平均3