28/10/2024
Basal cell carcinoma (BCC) is the most common type of skin cancer, accounting for about 80% of all cases. It typically develops in the basal cells, which are located in the lowest layer of the epidermis (the outer layer of the skin). BCC is most commonly found on areas of the skin exposed to the sun, such as the face, neck, and arms. It grows slowly and is rarely life-threatening, as it seldom spreads to other parts of the body (metastasizes), but it can cause significant damage to surrounding tissue if left untreated.Causes and Risk FactorsThe primary cause of BCC is long-term exposure to ultraviolet (UV) radiation from the sun or tanning beds. Other risk factors include: • Fair skin and light-colored eyes • Older age • History of frequent sunburns or cumulative sun exposure • Family history of skin cancer • Weakened immune systemSymptomsBCC often appears as a small, pearly or flesh-colored bump. Other signs may include: • A sore that doesn’t heal • A flat, reddish patch with a rough or scaly texture • A shiny, translucent bump or nodule, often pink or white • A scar-like area that is white, yellow, or waxyDiagnosisDiagnosis typically involves a skin examination by a dermatologist, followed by a biopsy to confirm the presence of cancer cells.Treatment OptionsTreatment depends on the size, location, and depth of the tumor: • Surgery (such as excisional surgery or Mohs surgery) • Topical treatments (like imiquimod or 5-fluorouracil for superficial BCC) • Radiation therapy (for cases where surgery isn’t an option) • Cryosurgery (freezing the tumor with liquid nitrogen) • Photodynamic therapy (using a drug activated by light to kill cancer cells)Prevention • Use broad-spectrum sunscreen daily, especially on sun-exposed areas. • Wear protective clothing (hats, sunglasses, long sleeves). • Avoid tanning beds and limit sun exposure, especially during peak hours. • Regular skin checks by a healthcare provider, especially if you have a history of skin cancer or are at high risk.While BCC generally has an excellent prognosis when treated early, prompt treatment is important to avoid more extensive procedures or potential complications.