Objective: To study the measurement and realization of depth dose, skin dose and leakage ray, and conclude some experience of clinical application in Intra-operative Radiation Therapy.

目的：研究术中放疗深度剂量、表面剂量及漏射线的剂量的测量方法，总结临床应用经验。

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If the dose of radiation exceeds a certain threshold level, then it can produce acute effects, such as skin redness, hair loss, radiation burns, and acute radiation syndrome (ARS1).

如果辐射剂量超过一定的阈值水平，那么它可以产生，如皮肤发红，脱发，辐射烧伤和和急性辐射综合症(ARS1)等急性影响。

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Targretin is generally used at the highest tolerated dose in cancer patients, according to Keith Flaherty, a skin-cancer specialist at Harvard Medical School.

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