For small localised plaques and tumours, treatment with low energy photons are adequate. PTV = GTV + 0.5 to 1 cm margins; margins tend to be smaller as these patients are often retreated.

Dose

8 Gy in 2# or 12 Gy in 3#, treating daily

For a larger or thicker tumour or collection of plaques, and particularly if the area is over a joint consider treatment with electrons.

Dose

20 Gy in 5# over 1 week or 30 Gy in 10# over 2 weeks.

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