Lip Pigmentation

Labial Melanotic Macule (LMM) usually do not have symptoms but they do bother the patient. Firstly, they worry that it may be cancerous and many patients consult a dermatologist for this reason. Secondly, it bothers them cosmetically.

What is the Labial Melanotic Macule (LMM)?

LMM usually appears as a single or multiple flat, brown to black pigmentation on the lips. Sun exposure may be the cause for its occurrence.

LMM usually do not have symptoms but they do bother the patient. Firstly, they worry that it may be cancerous and many patients consult a dermatologist for this reason. Secondly, it bothers them cosmetically.

How do you treat LMM?

A typical LMM has a characteristic pattern when examined with the dermoscopy. There is no need for treatment unless you want to remove it for cosmetic reasons. If treatment is requested, the macules can be removed using a Helios III Pigment laser and the result is excellent. Generally, 1-3 sessions of treatment should be sufficient to completely clear the pigmentation. However, Dr Wong may biopsy a lesion that shows progressive changes and is suspicious looking.

    Lip Pigmentation

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      Multiple LMM

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      Single LMM

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      Venous lake

    Other types of Lip pigmentation:

    • Venous lake – a dilated veins on the lip (see diagram)
    • Mole – Yes, mole can occur on the lip, make sure you check your moles regularly
    • Melanoma – a deadly pigmented skin cancer
    • Peutz Jeghers Syndrome – a genetic syndrome with lip pigmentation and tumor in the gut
    • Addison’s disease – an endocrine disorder with fatigue, tiredness, weakness, skin and mucosal pigmentation due to adrenal gland insufficiency
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      Dr. Wong Soon Tee

      Consultant Dermatologist
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      Dr. Wong Soon Tee

      Consultant Dermatologist

      Care and Professionalism Refined by
      Over 30 Years of Dermatology Experience

      • MBBS, Yong Loo Lin School of Medicine, Singapore
      • MRCP. Member of Royal College of Physicians, United Kingdom
      • FAMS, Fellow of Academy of Medicine, Singapore
      • Adjunct Assistant Professor, National University of Singapore
      • Visiting Consultant, University Dermatology Division, National University Hospital
      • Visiting Consultant, Aesthetic Plastic Surgery Centre, National University Hospital

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