Dermatology procedures play an important role in identifying, diagnosing, and treating skin cancer. These procedures help healthcare professionals examine suspicious skin changes, collect tissue samples, determine the type of cancer, and remove affected areas when necessary. Skin cancer may appear as a changing mole, a persistent sore, a new growth, or a lesion that differs from surrounding skin.
Detecting skin cancer involves examining the skin and evaluating suspicious lesions. Dermatologists consider a person's medical history, sun exposure, previous skin cancers, and the appearance of the affected area when deciding whether further investigation is needed.
Common diagnostic procedures include:
Visual skin examination: A dermatologist examines the skin for unusual growths, changing moles, irregular borders, color variations, and sores that do not heal. The examination may cover multiple areas of the body.
Dermoscopy: A specialized magnifying instrument allows the dermatologist to examine structures and patterns within a skin lesion that may not be easily visible to the naked eye. It helps assess suspicious moles but does not confirm cancer on its own.
Skin biopsy: A small sample of tissue is removed and examined under a microscope. A biopsy is generally necessary to establish a definitive diagnosis when skin cancer is suspected.
Shave biopsy: The upper portion of a lesion is removed using a medical blade. This method may be appropriate for selected superficial lesions, depending on the clinical assessment.
Punch biopsy: A circular instrument collects a small, deeper sample of skin. It may be used when tissue from several skin layers is needed for diagnosis.
Excisional biopsy: The entire suspicious lesion is removed when appropriate and submitted for laboratory examination.
The choice of procedure depends on the lesion's appearance, size, location, and suspected type of skin cancer. Laboratory analysis helps determine whether cancer is present and provides information that can guide further treatment.
Once skin cancer is confirmed, treatment depends on the cancer type, its depth, location, size, and whether it has spread. Basal cell carcinoma, squamous cell carcinoma, and melanoma may require different treatment strategies. Dermatologists and other specialists consider these factors when developing an appropriate care plan.
Common treatment and monitoring procedures include:
Surgical excision: The cancerous lesion and an appropriate margin of surrounding tissue are removed. The tissue is examined to assess whether the cancer has been adequately removed.
Mohs micrographic surgery: Thin layers of tissue are removed and examined progressively until no cancer cells are identified at the surgical margins. This technique is particularly useful for selected skin cancers in areas where preserving healthy tissue is important.
Curettage and electrodesiccation: Selected superficial skin cancers may be scraped away and treated with an electrical instrument to destroy remaining tissue. This approach is suitable only for specific cases.
Cryotherapy: Liquid nitrogen freezes and destroys certain precancerous skin lesions, such as actinic keratoses. It is not an appropriate treatment for every suspected or confirmed skin cancer.
Follow up skin examinations: Regular examinations help identify recurrence, new suspicious lesions, or additional skin cancers. The recommended schedule depends on the diagnosis and individual risk factors.
After treatment, patients should follow wound care instructions and attend recommended appointments. Increasing redness, worsening pain, persistent bleeding, or signs of infection should be reported to a healthcare professional. Sun protection and awareness of new or changing skin lesions are also important parts of ongoing skin care.
Understanding dermatology procedures can help individuals recognize how skin cancer is investigated and managed. A suspicious or changing lesion should be assessed by a qualified healthcare professional rather than diagnosed through photographs or self-examination alone. Timely evaluation, appropriate treatment, and continued monitoring support informed decisions about skin health.
Dermatology procedures help healthcare professionals detect, diagnose, and treat skin cancer. Common methods include visual skin examinations, dermoscopy, and biopsies that allow suspicious tissue to be examined under a microscope. When cancer is confirmed, treatment may involve surgical excision, Mohs micrographic surgery, or other approaches selected according to the cancer type, size, depth, and location. Some procedures also treat precancerous lesions. Follow up examinations help monitor healing, identify recurrence, and detect new abnormalities. Understanding these procedures helps individuals recognize the importance of professional assessment, appropriate treatment, sun protection, and ongoing skin monitoring for maintaining long term skin health and supporting informed medical decisions.