Lentigo maligna: current concepts in diagnosis and management

Area of Science:

• Dermatology
• Oncology
• Surgical Pathology

Background:

• Lentigo maligna (LM) is an increasing cutaneous malignancy.
• Early diagnosis is crucial due to significant morbidity risks.
• Subtle atypical signs on sun-damaged skin necessitate high suspicion.

Purpose of the Study:

• To review available treatment options for lentigo maligna.
• To emphasize the importance of early diagnosis and treatment.
• To compare the efficacy of different therapeutic modalities.

Main Methods:

• Review of surgical techniques including simple excision, staged excision, and Mohs micrographic surgery.
• Discussion of tissue processing methods (vertical/en face embedding, frozen/paraffin sections).
• Evaluation of destructive therapies (radiotherapy, cryotherapy, curettage, electro-destruction) and topical treatments (imiquimod).

Main Results:

• Surgical treatment maximizes the potential for curative therapy in LM.
• Margin-control surgery provides the highest cure rates.
• Margin-control techniques minimize the loss of healthy surrounding tissue.

Conclusions:

• Prompt diagnosis and appropriate treatment are essential for managing lentigo maligna.
• Surgical intervention, particularly margin-controlled surgery, is the most effective approach for achieving high cure rates.
• Minimizing tissue loss while ensuring complete tumor removal is a key goal in LM treatment.