MICROANATOMY

Detailed explanation-1: -The second most common form of skin cancer (after basal cell skin carcinoma), squamous cell carcinoma is on the rise with more than 1 million cases diagnosed each year in the United States. Unlike basal cell cancer, which doesn’t spread, squamous cell cancer can spread to the lymph nodes and even to internal organs.

Detailed explanation-2: -But this common form of cancer can also occur on areas of your skin not ordinarily exposed to sunlight. There are three major types of skin cancer-basal cell carcinoma, squamous cell carcinoma and melanoma.

Detailed explanation-3: -Basal and squamous cell carcinomas are the two most common types of skin cancer. They begin in the basal and squamous layers of the skin, respectively. Melanoma, the third most common type of skin cancer, begins in the melanocytes. What Are the Risk Factors for Skin Cancer?

Detailed explanation-4: -Keratoacanthoma are typically benign (non-cancerous) tumors that grow slowly and often go away on their own. Keratoacanthoma tumors that do continue to grow are often treated like a form of squamous cell carcinoma.