C44.1191

Clinical Causes: Prolonged exposure to ultraviolet (UV) radiation from the sun or tanning beds. Fair skin, which provides less protection against UV rays. A history of skin cancer or precancerous skin lesions. A compromised immune system that may reduce the body's ability to fight abnormal cell growth. Genetic factors that increase susceptibility to basal cell carcinoma.

Key Symptoms: A pearly or waxy bump on the skin, often with visible small blood vessels. A flat, scaly, reddish patch that may resemble eczema or dermatitis. A sore that heals slowly and bleeds or develops a crust, then recurs. An area of skin that appears shiny or translucent. A raised, scar-like area with or without ulceration. Changes in a mole or skin spot, such as growth or color alteration near the eyelid area.

Diagnosis Path: Diagnosis typically involves a thorough examination of the affected skin. A dermatologist may perform a skin biopsy, extracting a small sample of tissue from the lesion for laboratory analysis. This confirms whether the lesion is basal cell carcinoma and helps determine its specific characteristics.

Treatment Protocols: Treatment options can vary based on the size, location, and characteristics of the tumor. Common approaches include: - **Surgical excision:** Removing the tumor along with a margin of healthy tissue. - **Mohs micrographic surgery:** A precise surgical technique that removes the cancerous tissue layer by layer, examining each under a microscope until no cancer cells remain. Especially useful for eyelid cancers to preserve function and appearance. - **Topical treatments:** Such as creams or ointments containing anti-cancer agents, usually for superficial lesions. - **Radiation therapy:** Used when surgery isn't feasible or as an adjunct to surgical treatment. - **Cryotherapy:** Freezing the lesion with liquid nitrogen, suitable for small, superficial tumors. Following treatment, regular follow-up is important to monitor for recurrence or new skin cancers, especially given the sun-exposed location.