Скачать или смотреть Squamous Cell Carcinoma

Squamous cell carcinoma (SCC) is a type of skin cancer that typically arises from the squamous cells found in the epidermis, the outermost layer of the skin. Squamous cells are flat, thin cells that make up the skin's top layers. SCC is one of the most common forms of skin cancer, and it can also occur in other tissues and organs of the body, including the mucous membranes of the mouth, throat, esophagus, and genitals.

Here are some key points about squamous cell carcinoma:

1. Causes: SCC is primarily caused by exposure to ultraviolet (UV) radiation from the sun or tanning beds. Long-term sun exposure, sunburns, and a history of UV radiation exposure increase the risk of developing SCC. Other risk factors include fair skin, a history of radiation therapy, a weakened immune system, and exposure to certain chemicals.

2. Appearance: SCC typically appears as a thick, scaly, red, or pink bump or patch on the skin. It may also resemble a persistent sore, ulcer, or wart. Unlike some other skin cancers, SCC often has a rough or crusty surface.

3. Locations: SCC is most commonly found on sun-exposed areas of the body, such as the face, ears, neck, scalp, chest, back of the hands, arms, and legs. However, it can occur in other areas as well.

4. Metastasis: SCC is more likely than basal cell carcinoma (another common skin cancer) to metastasize, which means it can spread to other parts of the body, including lymph nodes and internal organs. Early detection and treatment are crucial to prevent metastasis.

5. Diagnosis: A dermatologist can usually diagnose SCC by examining the skin lesion and, in some cases, performing a biopsy, where a small sample of tissue is removed and analyzed under a microscope.

6. Treatment: Treatment options for SCC depend on the size, location, and stage of the cancer. Common treatments include surgical excision, Mohs micrographic surgery (a specialized technique to remove the cancer while preserving healthy tissue), radiation therapy, topical chemotherapy, and photodynamic therapy.

7. Prognosis: The prognosis for SCC is generally good when detected and treated early. However, if left untreated or allowed to progress, it can become more aggressive and pose a greater risk of spreading to other parts of the body.

8. Prevention: To reduce the risk of developing SCC, it's important to protect your skin from excessive sun exposure. This includes wearing sunscreen with a high SPF, protective clothing, sunglasses, and seeking shade during peak sun hours. Regular self-examinations of your skin and routine skin checks by a healthcare professional can also help with early detection.

If you suspect you have a suspicious skin lesion or have risk factors for skin cancer, it's essential to consult a healthcare provider or dermatologist for evaluation and appropriate management. Early detection and treatment can significantly improve the outcomes for individuals with squamous cell carcinoma.