With increase of cumulate dose, different degrees of loose density, adhesion, imbricative loss and debris occurred in the cuticles.

• 放疗后随着放疗累积剂量的增加,出现毛小皮排列层次紊乱,间距不等,游离缘外翻和局部毛小皮脱落,而且变化程度与放疗累积剂量有关。