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.

结果患者经泼尼松、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3.8年，未经任何治疗患者消退年龄5.8年。

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Thymus is the central organ of cell immune system. The function of thymus is declined because of age-related involution.

胸腺是免疫系统的中枢控制器官，由于年龄相关的演化，其功能逐渐降低。

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