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Mohs surgery, also known as chemosurgery, created by a general surgeon, Dr. Frederic E. Mohs, is...

Mohs surgery, also known as chemosurgery, created by a general surgeon, Dr. Frederic E. Mohs, is microscopically controlled surgery used to treat common types of skin cancer. It is one of the many methods of obtaining complete margin control during removal of a skin cancer (ccpdma - complete circumferential peripheral and deep margin assessment) using frozen section histology . The cure rate with Mohs surgery cited by most studies between 97% and 99.8% for primary basal cell carcinoma, the most common type of skin cancer. Mohs procedure is also used for squamous cell carcinoma, but with a lower cure rate. Two isolated studies reported cure rate for primary basal cell cancer as low as 95% and 96% (see discussion on "Why is the Cure Rate so Varied?). Recurrent basal cell cancer has a lower cure rate with Mohs surgery, more in the range of 94%. It has been used in the removal of melanoma-in-situ (cure rate 77% to 98% depending on surgeon), and certain types of melanoma (cure rate 52%). Another study of melanoma-in-situ revealed Mohs cure rate of 95% for frozen section Mohs, and 98 to 99% for fixed tissue Mohs method. Other indications for Mohs surgery include dermatofibrosarcoma