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In very high doses grenz rays cause a superficial destruction of the skin which can be used in the treatment of superficial malignant skin lesions

Hedblad and Mallbris have recently presented a study of more than 500 patients with LM who have been treated with grenz rays.


They conclude that grenz rays is a highly suitable complement or alternative to surgical excision of LM, especially, for treatment of large lesions. The cosmetic outcome of the treatment was excellent.

Hedblad MA, Mallbris L Grenz ray treatment of lentigo maligna and early lentigo maligna melanoma. J Am Acad Dermatol. 2012 Jul;67(1):60-8. doi: 10.1016/j.jaad.2011.06.029. Epub 2011 Oct 24

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