Dermatologist In Singapore - Lumine Dermatology Clinic
1 Scotts Road #04-15/16 Shaw Centre Singapore 228208

Mohs Micrographic Surgery

Skin cancer is highly treatable when caught early—and Mohs surgery offers one of the most effective solutions available today. At Lumine Dermatology & Laser Clinic in Singapore, we specialise in Mohs micrographic surgery, a precision-based technique designed to remove skin cancer while sparing as much healthy tissue as possible.

Whether you're dealing with a recurrent tumour or one located in a cosmetically sensitive area, Mohs surgery may be the best approach for both treatment and aesthetic outcomes.

Mohs Surgery

What Is Mohs Surgery?

Mohs surgery that is also called is also called mohs micrographic surgery its a highly detailed method used to treat skin cancers such as Basal cell carcinomas (BCCs) or squamous cell carcinomas (SCCs). What sets it apart is how it combines surgical excision with immediate microscopic analysis. The procedure involves the stepwise removal of visible cancerous tissue, with each layer checked under a microscope.

The process is continued until there are no cancerous cells left, thus offering the best chance of complete removal with maximum preservation of healthy skin.

Why Choose Mohs Micrographic Surgery?

skin cancer surgery
Visualisation of MOHS micrographic surgery performed in Lumine Dermatology

This technique offers several advantages, making it the gold standard for treating certain skin cancers:

  • Accuracy: Because each layer of tissue is assessed during the surgery, the likelihood of leaving behind cancer cells is drastically reduced.
  • Tissue Conservation: The procedure allows the surgeon to take a smaller margin with precise mapping, making it ideal for areas like the nose, lips, eyelids, ears, and fingers.
  • Reduced Recurrence: Mohs surgery has very high cure rates—up to 99% for certain types of skin cancers such as Basal Cell Carcinomas (BCCs) and squamous cell carcinomas (SCCs). 

When Is Mohs Surgery Recommended?

Mohs micrographic surgery is particularly effective in the following cases:

  • Skin cancers (e.g BCCs, SCCs) with poorly defined borders
  • Recurrent or incompletely excised tumours (e.g BCCs, SCCs) that have returned after previous treatment 
  • Tumours (e.g BCCs, SCCs) arising from a site of previous radiotherapy
  • Large or aggressive tumours (e.g BCCs, SCCs) of the head and neck
  • Cancers in high-risk or cosmetically sensitive areas, where maximal tissue preservation is imperative e.g face, ears, scalp, fingers

If you’re unsure whether your condition qualifies, our team will assess your skin and advise the most appropriate treatment option.

What to Expect During the Procedure

Mohs surgery is performed under local anaesthesia and usually completed in stages in a single outpatient visit. Here’s how it works:

Mohs Surgery
  1. Tissue Removal: The visible tumour is surgically removed along with a thin layer of surrounding tissue.
  2. Immediate Microscopic Analysis: The layer is carefully processed and examined under a microscope by your Mohs surgeon.
  3. Additional Layers (if needed): If cancer cells are still present, another thin layer is taken from the exact area where cancer remains to remove residual cancer cells.
  4. Closure and Reconstructive Surgery: Once the area is clear of cancer, the wound is closed. Depending on the size and location, options may include leaving the wound to heal on it’s own (healing by secondary intention), direct closure, local flap or skin graft reconstructions.

You will have a dedicated room where you can rest while waiting for the skin tissue to be processed. A dressing will be put in place while we wait for the results, which will typically take between 1 to 2 hours. Most patients remain comfortable throughout, and you’ll receive thorough aftercare instructions before leaving.

What Are the Benefits of Mohs Surgery?

At Lumine Dermatology & Laser Clinic, we often recommend Mohs surgery because of its unique combination of precision, safety, and cosmetic benefit. Here's why it's a top choice:

  • Most optimum cure rates among skin cancer treatments
  • Minimal removal of healthy tissue
  • Real-time lab results, reducing the need for repeat procedures
  • Better cosmetic outcomes, especially on the face and neck
  • Performed in a single visit with no general anaesthesia required

Mohs Surgery in Singapore: Why Choose Lumine?

Finding a qualified clinic for Mohs surgery in Singapore is critical to your care and outcome. This procedure should be carried out by a dermatologist who has received subspecialty training in Mohs surgery, as the surgeon is involved in both surgical removal of skin cancer as well as examination of the surgical margins under the microscope. 

Prior to joining private practice, Dr Evelyn completed a year’s fellowship in London, where she trained under the tutelage of many established Mohs surgeons and at a high-volume centre for Mohs surgery (St John’s Institute of Dermatology, Guy’s and St Thomas’ Hospital, London). She was also an integral member of the dermatosurgery team at Changi General Hospital.

 As a female surgeon who is also trained to perform aesthetic procedures, Dr Evelyn firmly believes in effectively removing skin cancer while maximally preserving tissue, as well as utilizing meticulous and advanced techniques to deliver optimal cosmetic outcomes. Dr Evelyn is also an elected member of the American College of Mohs Surgery and American Society of Dermatologic Surgery. 

With cutting-edge facilities and a patient-first approach, we ensure a seamless, safe, and well-informed treatment experience. We are also equipped as a MOH-accredited facility to perform e-filing for Mohs surgery to assist in your insurance claims.

Dr Evelyn & Skin Canser Surgery

From the initial assessment to wound healing and follow-up, we prioritise your comfort, cosmetic concerns, and long-term skin health.

Aftercare and Recovery

Most patients experience minimal discomfort after the procedure. You may experience some bruising or swelling, which typically subsides within a few days. Some oral painkillers and antibiotics may be prescribed depending on the number of stages of Mohs surgery and the reconstruction technique utilized.

Aftercare

Proper wound care is essential—we’ll provide detailed instructions and schedule a follow-up if needed to ensure everything is healing well. Post-operatively, you will have to avoid heavy exercises and avoid swimming for at least 2 weeks. 

Stitches are usually removed in 1 to 2 weeks while dressing changes can be performed in clinic or done at home depending on the complexity of the surgery. 

Book a Consultation

If you’ve been diagnosed with skin cancer—or if you’ve noticed a lesion that looks suspicious—don’t delay. Early detection and precise treatment can make all the difference.

Schedule a consultation with our dermatologist to find out whether Mohs micrographic surgery is suitable for your condition. At Lumine Dermatology & Laser Clinic, your skin health is important to us. 

Frequently Asked Questions About Mohs Surgery

How is Mohs surgery different from traditional skin cancer removal?

Traditional excision involves removing the tumour along with a margin of healthy tissue. In contrast, Mohs micrographic surgery examines each layer of tissue in real time, ensuring cancer cells are removed before the wound is closed. This leads to higher cure rates and better cosmetic outcomes, especially for cancers in sensitive or visible areas.

The decision to treat with Mohs surgery or traditional skin cancer removal i.e wide local excision  is personal and guided by many factors such as the type and location of skin cancer as well as the age and mobility of the patient. A consult with your dermatologist is important to establish the best treatment plan tailored to your individual needs. You can check the difference between Mohs surgery and wide local excision in table:

Mohs Micrographic SurgeryWide Local Excision
Preferred for non-melanoma skin cancers like BCC and SCC, with good cure rates compared to wide local excisionTypically chosen for tumours with irregular growth patterns such as melanoma or extramammary Paget's disease
More thorough examination of both peripheral and deep surgical margins for comprehensive cancer removalLess thorough examination of peripheral and deep margins due to “bread-loafing” technique
Allows for maximal preservation of healthy tissue during tumour removalLess tissue-sparing than Mohs Micrographic Surgery
Entire process, from tumour removal to microscopic examination and reconstruction, is completed on the same dayDelay between surgical excision and histology results, with the possibility of additional procedures if margins are found to be positive for cancer
Takes longer to complete and is done in stagesQuick to perform and in one sitting
Requires specialised skills and more tediousLess tedious
More expensiveLess costly

What types of skin cancer can be treated with Mohs surgery?

Mohs surgery is most commonly used for basal cell carcinoma (BCC) and squamous cell carcinoma (SCC), particularly when the tumours are:

  • Located on the face or other cosmetically sensitive areas
  • Large or aggressive tumours
  • Recurrent after previous treatment which could be either wide local excision or radiotherapy
  • Have poorly defined borders

Is Mohs surgery available in Singapore?

Yes, Mohs surgery is offered at Lumine Dermatology & Laser Clinic in Singapore. Our team is experienced in performing this technique with precision, offering patients access to advanced, evidence-based skin cancer treatment close to home.

Is Mohs micrographic surgery painful?

The procedure is performed under local anaesthesia, so patients typically feel little to no discomfort during the surgery. There may be some pain, swelling and bruising post-op, but this is usually mild and can be managed with oral painkillers and minimizing physical activity and alcohol consumption post surgery. 

How long does a Mohs surgery procedure take?

The duration can vary depending on the size and complexity of the tumour. On average, Mohs surgery begins at 9am in the morning and ends around 2 to 3pm in the afternoon. The surgery is done in stages. Hence, there will be a waiting time of 1 to 2 hours while waiting for the tissue to be processed. Since the tissue is examined immediately on-site, patients will remain at the clinic throughout the entire process.

What does recovery involve after Mohs surgery?

Recovery usually involves keeping the surgical site clean and protected. Our clinic provides detailed post-operative care instructions and will schedule follow-up visits and phone calls to monitor post-op progress. Most patients resume normal activities within a few days, although strenuous activities may be temporarily limited temporarily.

Will Mohs surgery leave a scar?

As with any skin surgery, scarring is possible. However, one of the advantages of Mohs surgery is that it is tissue-preserving, which can result in a smaller scar. Surgical scars can then be managed with scar gels, tapes and dressings, laser treatments (pulsed dye laser, fractional carbon dioxide laser, picosure pro, microneedling radiofrequency) or intralesional steroid or botulinum toxin injections.

Dr Evelyn Tay

Dr Evelyn Tay

Consultant dermatologist
MBBS (Singapore), MRCP (UK)
FRCP (Edinburgh), FAMS (Dermatology)
Dr Evelyn Tay, founder of Lumine Dermatology & Laser Clinic, is a Consultant dermatologist in singapore that accredited by the Ministry of Health, with 14+ years of dermatologic expertise. Dr Tay holds subspecialty training in advanced skin surgery and laser procedures, with particular proficiency in Mohs micrographic surgery, skin cancer screenings and treatments, aesthetic dermatology, and laser therapies.
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