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Melanoma Surgery

The diagnosis of Melanoma can be worrying due to it’s association with poor outcome in the past. Most melanoma are diagnosed by a melanoma specialist in the early stages and is associated with good long term outcome.

Recent advances in imaging with PET/CT and SPECT scan have greatly increased the accuracy of staging and hence more focussed treatment.

Sentinel lymph node mapping and biopsy have provided useful information in evaluating the extent of spread in melanoma.

We provide full evaluation of advanced stage Malignant Melanoma, with radio-colloid directed sentinel lymph node biopsy, and subsequent full nodal dissection of all major nodal basin available. Our expertise include superficial and deep ilio-inguinal dissection, three level axillary dissection and retro-peritoneal dissection.

FAQs - Malignant Melanoma

  • Is the diagnosis of Malignant Melanoma a “death sentence”?
    No, large majority of malignant melanoma is early stage and easily curable with surgery.
  • What about late stage Malignant Melanoma?
    The treatment of advanced malignant melanoma is complex; surgery is the mainstay but detail staging with PET scan, CT-scan and biopsies are required prior to treatment.
  • What is sentinel lymph node biopsy?
    The spread of malignant melanoma is sequential and fairly predictable in most cases. For higher stage tumor, identifying and exercising the sentinel lymph node for analysis is vital to further treatment: this is done with a radiopharmaceutical agent that is injected near the melanoma to track it’s lymphatic flow, hence identifying the initial lymph node involved; the sentinel lymph node.
  • What if the sentinel lymph node is positive for Malignant Melanoma?
    Then a larger operation known as nodal basin dissection is required to provide a chance for cure.

    This procedure entails removing all the lymph nodes draining the primary melanoma location and is therapeutic and provide information on the need for adjunct treatment.
  • What is SPECT scan?
    SPECT stands for Single Photon Emission Computed Tomography, it is a combination of conventional gamma camera with CT images giving 3 dimensional information for accurate localization of sentinel lymph nodes.
  • Should I then have all pigmented Lesion excised?
    Not necessary, a dermatologist will be able to advise on which lesion needed to be excised and which to observe and follow up.

Meet Our Medical Director

Dr Dennis T H Lim
Head and Neck General Surgeon
MBBS, M.Med (Surg), FRCS (Edin),
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Get in Touch

Contact Information
Dennis Lim Surgery

3 Mount Elizabeth
#11-09 Mount Elizabeth Medical Centre
Singapore 228510

Tel : (65) 6836 5167
Fax : (65) 6836 5165
Email :
Mount Elizabeth Hospital