Ten-year Follow-up Study of Grenz Ray Treatment for Lentigo Maligna and Early Lentigo Maligna Melanoma.

Abstract

Radiotherapy is often used to treat lentigo maligna. However, the long-term efficacy and safety of radiotherapy approaches have not been thoroughly evaluated. We aimed to evaluate the long-term efficacy and safety of ultrasoft X-ray/Grenz ray treatment in those patients. A total of 161 lesions from 159 patients received treatment with Grenz ray between 2005 and 2007. Follow-up of recurrence was performed 10 years after the final treatment. In the study setting, the cure rates were 97% for primary therapy with Grenz ray alone and 100% when Grenz ray was combined with partial or radical excision. The treatment is well tolerated, simple to perform, and has an excellent cosmetic outcome, with 94% of patients pleased with the results. Grenz ray is painless, effective, and safe for use when surgery is not feasible. Thus, Grenz ray can be considered as a standard treatment option for lentigo maligna.

• Authors: Iara R T Drakensjö, Einar Rosen, Margareta Frohm Nilsson, Ada Girnita
• Journal: Acta dermato-venereologica (Acta Derm Venereol) Vol. 100 Issue 17 Pg. adv00282 (Oct 06 2020) ISSN: 1651-2057 [Electronic] Sweden
• PMID: 32926174 (Publication Type: Journal Article)

Topics

• Follow-Up Studies
• Humans
• Hutchinson's Melanotic Freckle (radiotherapy, surgery)
• Melanoma
• Neoplasm Recurrence, Local
• Skin Neoplasms (radiotherapy)
• X-Rays