Squamous cell carcinoma (SCC) is a common form of skin cancer that originates in the flat squamous cells of the epidermis or in mucous linings (e.g., mouth, throat, nose). Early stage SCC (Stage 1) is usually small, localized, and highly treatable, whereas advanced SCC (Stage 4) can invade deeper tissues or spread to lymph nodes and organs, requiring more intensive therapies.
Be alert for signs of SCC, especially on sun?exposed areas:
Several factors can increase your risk of developing squamous cell carcinoma:
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Stage 1 SCC refers to a small tumor under 2 cm in diameter that has not spread to lymph nodes or other organs. It's typically easy to treat and has a high cure rate when addressed promptly.
Stage 4 SCC means the cancer has spread (metastasized) to nearby lymph nodes or distant organs. Treatment is more complex and may involve a combination of surgery, radiation, chemotherapy, targeted therapy, or immunotherapy.
Bowen's disease is an early form of squamous cell carcinoma confined to the outermost layer of skin (in situ). If treated early-often with topical therapy or minor surgery-the cure rate can approach 100%.
Yes. The nose is a sun-exposed area and a common site for SCC. Lesions may appear as scaly patches, nodules, or non-healing sores on the nasal skin.
Diagnosis requires a skin biopsy. A small tissue sample is removed by a dermatologist or surgeon and examined under a microscope to confirm the presence of cancerous squamous cells.
For very early or superficial SCC, non-surgical options include prescription topical creams, photodynamic therapy, and other light-based treatments. Advanced cases usually require surgical removal.
Annual full-body skin exams are recommended for most adults. If you've had SCC or other skin cancers before, your doctor may suggest check-ups every 3-6 months.
Yes. If left untreated, Bowen's disease can progress to invasive squamous cell carcinoma in about 5% of cases. Early treatment prevents this progression.
Most patients heal within 1-2 weeks after Mohs micrographic surgery. The procedure spares healthy tissue and often results in minimal scarring, with wound care instructions provided at discharge.
Yes. SCC in mucosal areas like the lips or oral cavity often requires a multidisciplinary team, including ENT specialists, oral surgeons, or head and neck oncologists, for optimal treatment and reconstruction.
