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Skin and external genitalia
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Common toxicity in anal RT
superficial target:
–
All patients experience a skin tox
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moist desquamation up to 45% (3D-RT)
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Influencing factors: obesity, cigarettes, chronic sun exposure
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Onset at the 2° wk of RT peak in the last 2 wks
disappear 4-5 wks after RT
Treatment breaks
increased OTT
decreased RT effect