Mohs micrographic surgery

Mohs micrographic surgery is a precise process used to accurately remove skin cancer. It is a process in which the surgeon removes one layer of cancerous tissue, surgically divides and maps the specimen, then immediately looks at each section under the microscope to understand where the remaining cancer cells are located. The surgeon returns to the surgical site to excise the remaining layers of diseased tissue and reexamines it under the microscope until there is no longer any evidence of cancerous cells remaining. This layer by layer process ensures that all skin cancer cells have been removed while preserving the healthy tissue surrounding it.

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Advantages of Mohs Surgery

Some skin cancers may be deceptively large – extending further under the skin than they appear from the surface. Mohs surgery is specifically designed to remove these cancers by tracking and removing the cancer cells that extend beyond the visible portion of the tumor.

Mohs surgery removes only the cancerous tissue, while the normal tissue is spared. It ensures that the healthy tissue is kept intact which minimizes scarring.

Mohs surgery has been recognized as the skin cancer treatment with the highest five year cure rate of primary (96%) and recurring (90%) tumors.

Additional Resources:

American College of Mohs Surgery

Skin Cancer Foundation

American Cancer Society

American Society of Dermatologic Surgery

Meet Our Providers

Our providers continue to maintain the highest levels of accreditation and progressive ongoing education to learn and understand the latest developments in medical dermatology. Each provider's education and bio can be viewed below.


Melanie Kuechle, MD

Dr. Kuechle is a native of Texas and a graduate of Baylor University College of Medicine. She completed her dermatology residency at...


Dr. Jill McKenzie

Dr. Jill McKenzie graduated from Washington State University with her Bachelor of Science degree, Magnum Cum Laude.  She attended the University of...


Ame Phitwong

Ame is a board certified Adult-Gerontology Primary Care Nurse Practitioner who has worked entirely...


Dr. Craig Birkby

Dr. Craig Birkby has been a leader in the treatment of skin cancer in the Seattle area for over 20 years. He attended medical school at...