Mohs Micrographic Surgery

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Is Mohs Micrographic Surgery Best for Everyone?

Researching skin cancer treatments can bring up a lot of information, with options including topical medications, radiation therapy, chemical treatments, and more. Exploring the various treatments is a good idea, as it can help patients to get an idea of what is possible. It is most important, however, to discuss these treatments with a qualified professional who can make the determination of which route would be best for you to take.

Some patients may not need Mohs micrographic surgery for excision, because their cancerous lesion is small, not prone to spreading, and in an area that wouldn’t really benefit from the tissue-sparing technique. Patients who most benefit from the technique tend to be those whose lesion is located on a highly visible or especially sensitive area, such as the nose or near the eyelid.

How Does Mohs Micrographic Surgery Work?

Mohs surgery involves removing a thin layer of tissue, then preparing the sample and examining it under a microscope to look for cancer cells. These steps repeat until no cancerous cells are detected. The procedure is done in stages, including lab work, while the patient waits.

The University of Wisconsin’s Dr. Frederick Mohs first developed Mohs surgery in the 1930s, creating a procedure that involves several specific steps for removing cancer cells without harming the healthy, surrounding tissue.

First, the provider indicates the outline of the visible part of the cancer by drawing around it on the skin’s surface.

Next, the treatment area is injected with a local anesthetic to provide a numbing effect.

Once sensation is reduced in the area, the Mohs micrographic surgeon begins the most painstaking aspect of the procedure: removing the cancerous cells in a methodical way. The first step of this phase involves taking the visible cancer and an extra layer of skin from the treatment area. Following this, the patient is bandaged and encouraged to rest comfortably while the surgeon takes the excised layer of skin to the laboratory and processes it into slides by cutting the tissue into sections and staining them.

For the next step, the surgeon carefully checks all of the edges of the skin sample—including the bottom—for telltale signs of cancer cells. The visible results are marked on what is known as a “Mohs map” of the tissue section. If cancer cells are seen, the surgeon will take another sample, but only from the areas where the malignant cells were found.

This process is unique to Mohs micrographic surgery. Equipped with the knowledge of exactly which directions the lesion extends below the surface, the surgeon can follow the map and be sure all traces of malignant cells are being cut out. Since the tissue examinations happen right after the samples are removed, there is no need to wait on anything to come back from an external lab.

The Mohs micrographic surgery process will continue step by step, repeating the back-to-back excision and examination process, until no signs of cancer cells are detected in any of a sample’s margins—including its base. Finding “clear margins” gives the surgeon confidence that all of a cancer’s extensions or “roots” have been excised.

Finally, you will discuss plans to repair the wound made by the Mohs surgery excision. Most of these repairs are handled directly in the Dermatology Group of Arkansas office, where our experienced team performs linear closures, grafts, flaps, and more.

First and foremost, our goal is to entirely remove the cancer to maximize your long-term health. We also know that keeping visible scarring to a minimum is important to our Mohs surgery patients’ self-esteem. Happily, it is quite possible to safely accomplish both.

Because every patient’s cancer develops in a distinct way, there is no fixed length of time to expect a Mohs micrographic surgery to take. The excision and examination process tends to move relatively quickly, but we still encourage patients to set aside a day for the procedure—just in case.

Discover the incredibly efficient and effective steps involved in Mohs surgery at the Little Rock area’s Dermatology Group of Arkansas.
Mohs surgery at the Little Rock area’s Dermatology Group of Arkansas involves several steps, including precise excision of the tumor, preparation of samples, intense scrutiny of samples for signs of remaining cancer cells, and new excisions in necessary areas. Microscopic examinations and excisions continue until there are no signs of skin cancer, after which repair and reconstruction will be discussed.

Mohs surgery at the Little Rock area’s Dermatology Group of Arkansas involves several steps, including precise excision of the tumor, preparation of samples, intense scrutiny of samples for signs of remaining cancer cells, and new excisions in necessary areas. Microscopic examinations and excisions continue until there are no signs of skin cancer, after which repair and reconstruction will be discussed.

What Makes Mohs Micrographic Surgery Stand Out from Other Cancer Treatments?

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