Lower GI 2016

Skin and external genitalia

• Common toxicity in anal RT

superficial target:

– All patients experience a skin tox – moist desquamation up to 45% (3D-RT)

• Influencing factors: obesity, cigarettes, chronic sun exposure

• 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