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Mayo Clin Proc. 2017 Aug;92(8):1261-1271. doi: 10.1016/j.mayocp.2017.04.009.

Understanding Mohs Micrographic Surgery: A Review and Practical Guide for the Nondermatologist.

Author information

Surgical Dermatology Group, Birmingham, AL. Electronic address:
Department of Dermatology, University of Pittsburgh Medical Center, Pittsburgh, PA; Department of Plastic Surgery, University of Pittsburgh Medical Center, Pittsburgh, PA; Department of Otolaryngology, University of Pittsburgh Medical Center, Pittsburgh, PA; Zitelli & Brodland, P.C., Pittsburgh, PA.
The Skin Cancer Center, Cincinnati, OH; Department of Dermatology, University of Cincinnati, Cincinnati, OH.
Skin Cancer Surgery Center, Sacramento, CA.
Department of Dermatology, St Louis University, St Louis, MO; Laser & Dermatologic Surgery Center, Chesterfield, MO.
Department of Dermatology, Mayo Clinic, Rochester, MN; Division of Dermatologic Surgery, Mayo Clinic, Rochester, MN.
Advanced Dermatology, Norwich, CT.
Surgical Dermatology Group, Birmingham, AL.


The incidence and diagnosis of cutaneous malignancies are steadily rising. In addition, with the aging population and increasing use of organ transplant and immunosuppressive medications, subsets of patients are now more susceptible to skin cancer. Mohs micrographic surgery (MMS) has become the standard of care for the treatment of high-risk nonmelanoma skin cancers and is increasingly used to treat melanoma. Mohs micrographic surgery has the highest cure rates, spares the maximal amount of normal tissue, and is cost-effective for the treatment of cutaneous malignancies. As in other medical fields, appropriate use criteria were developed for MMS and have become an evolving guideline for determining which patients and tumors are appropriate for referral to MMS. Patients with cutaneous malignancies often require multidisciplinary care. With the changing landscape of medicine and the rapidly increasing incidence of skin cancer, primary care providers and specialists who do not commonly manage cutaneous malignancies will need to have an understanding of MMS and its role in patient care. This review better familiarizes the medical community with the practice of MMS, its utilization and capabilities, differences from wide excision and vertical section pathology, and cost-effectiveness, and it guides practitioners in the process of appropriately evaluating and determining when patients with skin cancer might be appropriate candidates for MMS.

[Indexed for MEDLINE]

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