
Understanding skin cancer
Melanoma is the most aggressive type of skin cancer. It develops from melanocytes and is known for spreading quickly if not detected early. While basal cell carcinoma (BCC) and squamous cell carcinoma (SCC) are more common, melanoma poses a greater risk due to its tendency to metastasize rapidly.
Causes and risk factors
Excessive sun exposure is a major risk factor for skin cancer. UV radiation damages skin cells over time, increasing mutation likelihood. Other factors include using tanning beds, having fair skin, and family history. Preventive measures like wearing sunscreen and protective clothing can significantly reduce the risk.
Signs and Symptoms
Key symptoms of melanoma include changes in moles’ color, size, or shape. The ‘ABCDE’ rule (Asymmetry, Border irregularity, Color variation, Diameter >6mm, Evolving characteristics) helps detect melanoma. Other signs may include non-healing sores, unusual growths, or rough skin patches. Early recognition is crucial for preventing disease spread.
Prevention and protection
Using sunscreen with SPF 30+ is crucial for skin protection. It blocks about 97% of UVB rays. Higher SPF provides slightly better protection. Apply sunscreen liberally and reapply every two hours, especially after swimming or sweating. Wearing wide-brimmed hats, sunglasses, and seeking shade during peak sun hours are additional preventive strategies.
Diagnosis and Clinical Assessments
Skin cancer is commonly diagnosed through a biopsy. A small sample of the suspicious lesion is examined under a microscope to detect cancer cells. Different types of biopsies (shave, punch, excisional) may be used depending on the lesion’s size and location. Early and accurate diagnosis is vital for better treatment options and outcomes.
Treatment Options
Mohs surgery is a common treatment for basal cell carcinoma. It removes cancerous tissue layer by layer, preserving healthy skin. It’s particularly useful for sensitive areas like the face. Other treatments include cryotherapy, radiation therapy, and chemotherapy for more advanced cases.
Recovery and Rehabilitation
Post-surgery care involves meticulous wound management to aid healing, minimize scarring, and reduce infection risk. Patients should keep wounds clean, apply prescribed ointments, and follow dressing change instructions. Avoiding sun exposure and using sunscreen on healed areas is important. Emotional support may also be needed during recovery.
Research and Future Directions
Immunotherapy is a promising area in advanced skin cancer treatment. It enhances the body’s immune system to recognize and destroy cancer cells. Recent breakthroughs, like checkpoint inhibitors, have shown success in treating advanced melanoma. Ongoing research aims to improve these treatments for aggressive or resistant skin cancers.