What should you know about laser surgery for skin cancer?

Skin cancers such as basal cell carcinoma, squamous cell carcinoma and melanoma can extend beyond what is visible on the surface. Standard skin cancer surgery removes the lesion with a planned margin and sends tissue for examination. That process helps identify the diagnosis and whether cancer remains at the edges. A laser that vaporises tissue may not provide the same specimen or clearance information.

Lasers can have narrow roles in selected superficial lesions or in supportive treatment, but suitability depends on the cancer type, depth, location and prior assessment. A changing mole, a sore that does not heal, or a growing scaly or shiny spot should be examined rather than treated cosmetically.

Arrange a dermatology assessment for a suspicious mark and bring details about when it changed, bled, crusted or became painful. Do not burn, scrape or laser it at home. If cancer is diagnosed, ask how the recommended operation will protect nearby structures and how the removed tissue will be checked. Follow wound instructions carefully after any procedure and attend the pathology follow-up.

Seek prompt assessment for a rapidly changing or bleeding lesion, a sore that repeatedly crusts, new pigment spreading beyond a mole, or a tender growth. After a procedure, contact the clinic for persistent bleeding, increasing warmth, pus, fever or wound edges that separate. These signs need examination and should not be covered with cosmetic products alone.

Ask what diagnosis is suspected, whether a biopsy is needed, how clearance will be confirmed, why laser is or is not appropriate, and what follow-up checks your skin requires.