ABSTRACT
The technique of total skin electron irradiation (TSEI), or total skin electron therapy
(TSET), is used to treat a variety of cutaneous malignancies where most or all of the skin is
involved. The aim is to treat the whole skin to as uniform a dose as possible, both circumfer-
entially around the patients as well as along their length. The uniformity requirement
comprises an acceptably uniform and high surface dose, uniform dose at d
max
(that should be
*With contributions by Ginette Marinello.
