C44.52

Clinical Causes: Prolonged exposure to ultraviolet (UV) radiation from sunlight or tanning beds. History of sunburns, especially during childhood or adolescence. Fair skin, light hair, and light eyes, which are more susceptible to UV damage. Exposure to certain chemicals or substances, such as arsenic. Previous skin injuries, scars, or chronic skin conditions that may predispose to abnormal cell growth. Weakened immune system due to medical conditions or medications.

Key Symptoms: A firm, red nodule or patch that may be rough or scaly. A sore or ulcer that does not heal or heals and then reopens. A rough or raised growth that may have a crust or scale on the surface. Changes in the appearance of an existing mole or skin spot, including increased size or color change. Pain, tenderness, or bleeding in the affected area (less common).

Diagnosis Path: Diagnosis typically involves a physical examination of the skin lesion, followed by a skin biopsy. During a biopsy, a small sample of tissue is removed and examined under a microscope to confirm the presence of squamous cell carcinoma. Additional imaging tests or skin assessments may be performed to determine if the cancer has spread beyond the initial site.

Treatment Protocols: Treatment options depend on the size, location, and stage of the carcinoma and may include: - Surgical removal, such as excision or Mohs surgery, to precisely remove the cancerous tissue. - Cryotherapy, which involves freezing the abnormal cells. - Topical medications or creams if the lesion is superficial. - Radiation therapy for cases where surgery isn't suitable. - Systemic therapies in more advanced cases, including targeted therapies or immunotherapy. Early detection and prompt treatment can significantly improve outcomes and reduce the risk of recurrence or spread.