Today, Mohs surgery has come to be accepted as the single most effective technique for removing Basal Cell Carcinoma and Squamous Cell Carcinoma (BCCs and SCCs), the two most common skin cancers. It spares the greatest amount of healthy tissue while also completely removing cancer cells; cure rates for BCC and SCC are an unparalleled 98% or higher with Mohs, significantly better than the rates for a standard excision or any other accepted skin cancer removal method. Unlike other skin cancer procedures where a random sample of the clear margin is examined, by undergoing Mohs surgery, patients get a comprehensive examination of the surgical margin, providing more accurate results.

The procedure is performed under local anaesthesia and involves four basic steps: 
1. surgical removal of tissue
2. mapping the piece of tissue and then freezing and cutting it 
3. interpretation of tissue under the microscope slides
4. reconstruction of the area from where the tissue has been removed.

As the surgery is a combination of several specialised stages, it requires the skills and expertise of a team of qualified professionals — a dermatologist, a pathologist and a plastic surgeon.

Frequently Asked Questions

Also known as Mohs micrographic surgery, this treatment developed by Dr. Frederic Mohs is a highly specialised and precise outpatient treatment for skin cancer in which the cancer is removed in stages, one tissue layer at a time. Once a tissue layer is removed, it is then examined by a Mohs technician and doctor under a microscope so that the origin of the cancer can be identified and mapped.

If cancer cells are detected, an additional tissue layer is removed only in areas where the cancer is still present, leaving normal skin intact. Once the cancer has been removed, the Mohs surgeon will explain options for repair of the wound, including natural healing (granulation), suturing the wound together by way of a usual side to side closure, or using a skin flap or graft and reconstruction.

Your doctor will advise you that this procedure will take around half a day as it involves removing the entire cancer in one appointment, removing tissue, analysing it until all the cancer has been removed and reconstruction of the area following removal of the cancer which can take up to one or two hours depending on the size and complexity of the area.

Mohs surgery is highly successful and results are as high as 99 percent for the removal of a basal cell skin cancer and 95 percent for squamous cell skin cancer and other recurrent cancers.

Mohs surgery can be used to remove many common skin cancers such as basal cell carcinomas and squamous cell cancers. Your doctor may have referred you for this treatment if:

The cancer you have is in an area such as; the eyelids, nose, ears, lips, fingers or toes

Your skin cancer was treated in the past and has returned

The scar tissue exists in the vicinity of the skin cancer

The skin cancer is large

The edges of the skin cancer cannot be clearly defined

Your skin cancer is growing rapidly

Mohs surgery will preserve as much healthy skin as possible and once the cancer is removed, your doctor or surgeon will ensure reconstruction to the area leaves as minimal scarring as possible. Any scarring will improve over time but can take around a year to completely heal. Scar injections and other treatments such as laser resurfacing are also available at Cadogan Clinic so we can you an entire portfolio of treatments around your Mohs procedure.

Your doctor or surgeon will advise you on aftercare at consultation and again immediately after your surgery, you willbe asked to visit following your reconstruction to ensure your healing is optimum. Your dermatologist plays an important role in helping you to maintain disease-free skin so regular check-ups can be arranged for the furture.

Mohs surgery costs can vary depending on the size and complexity of the treatment required – this will usually be established during your initial consultation. Treatment usually starts from £3000.

Find a Consultant


We only work with the best. Our consultants are at the very peak of their professions. All are registered with the General Medical Council (GMC) and their own specialist registers, so you can feel confident you’re in safe and trusted hands.

Dr. Nisith Sheth
Dr. Nisith Sheth


Dermatologist and Dermatological Surgeon specialising in skin cancer, skin surgery such as Mohs, laser treatments and general and cosmetic dermatology

Mr. William Van Niekerk
Mr. William Van Niekerk

Plastic Surgeon

A plastic, reconstructive, aesthetic and burn surgeon specialising in all areas of cosmetic surgery, non-surgical aesthetics and complex microsurgery