Total Skin Electron Irradiation

Authored by: David Thwaites , Alan McKenzie

Handbook of Radiotherapy Physics

Print publication date:  June  2007
Online publication date:  June  2007

Print ISBN: 9780750308601
eBook ISBN: 9781420012026
Adobe ISBN:


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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 circumferentially 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 at, or close to, the surface), and also a uniform penetration and dose delivery to the required therapeutic depth, selected to match the presenting disease and stage. At the same time, the treatment should spare other underlying organs and minimise the whole-body dose from the bremsstrahlung x-ray component of the beam.

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