How would you approach treatment of residual melanoma in situ of the perianal skin?
Would you recommend adjuvant radiotherapy for a patient with positive margins for in situ disease with negative margins for invasive disease? If so, what technique and dose-fractionation would you consider?
Answer from: Radiation Oncologist at Academic Institution
It sounds like this is a case of mucosal melanoma of the anal canal, with extension on to the perianal skin? Alternatively, this could be a case of true cutaneous melanoma on perianal skin. Further investigations might be helpful to clarify.In either case, this is an unusual situation in this ...