This is not only the most common type of skin cancer, but the most common type of cancer in humans. About 8 out of 10 skin cancers are basal cell carcinomas (also called basal cell cancers).When seen under a microscope, the cells in these cancers look like cells in the lowest layer of the epidermis, called the basal cell layer.
About Squamous Cell Skin Cancer. There are different types of cancer that start in the skin. The most common types are basal cell carcinoma and squamous cell carcinoma, which are nonmelanoma skin cancers. Nonmelanoma skin cancers rarely spread to other parts of the body. Melanoma is the rarest form of skin cancer. It is more likely to invade nearby tissues and spread to other parts of the body.  1 Basal cell carcinoma: The most common type of skin cancer. 2  Cancerous cells develop within the basal cell layer of the skin, or the lowest part of the epidermis. 3  Basal cell cancers usually grow slowly, and it is rare for them to spread, or metastasize, to nearby lymph nodes or even more distant parts of the body. Some common types of carcinoma include: 1  About Basal Cell Carcinoma. Basal cell carcinoma is the most common type of skin cancer. It usually occurs on areas of the skin that have been in the sun, most often the nose. Often this cancer appears as a raised bump that looks smooth and pearly.  Squamous-cell carcinoma or squamous-cell cancer (SCC or SqCC) is a cancer of a kind of epithelial cell, the squamous cell. These cells are the main part of the epidermis of the skin, and this cancer is one of the major forms of skin cancer.  Basal cell carcinoma is a type of skin cancer that occurs in the basal cells of the epidermis – the outermost layer of the skin. Basal cells constantly divide to replace dead or damaged skin cells closer to the outer surface of the epidermis.  Basal cell carcinoma is a type of skin cancer. Basal cell carcinoma begins in the basal cells — a type of cell within the skin that produces new skin cells as old ones die off. Basal cell carcinoma often appears as a waxy bump, though it can take other forms.  Basal cell carcinoma. This is not only the most common type of skin cancer, but the most common type of cancer in humans. About 8 out of 10 skin cancers are basal cell carcinomas (also called basal cell cancers). When seen under a microscope, the cells in these cancers look like cells in the lowest layer of the epidermis, called the basal cell layer. These cancers usually develop on sun-exposed areas, especially the head and neck. In this article. Carcinoma is a type of cancer that starts in cells that make up the skin or the tissue lining organs, such as the liver or kidneys. Like other types of cancer, carcinomas are abnormal cells that divide without control. They are able to spread to other parts of the body, but don't always. Squamous cell carcinoma. Most people think of skin cancer when they hear the words squamous cell carcinoma.. And it is true that this type of carcinoma often shows up on the skin. But squamous cell carcinoma can also be found in other parts of the body, such as cells lining: 1  Certain organs. There are three major types of skin cancers: basal cell carcinoma (BCC), squamous cell carcinoma (SCC), and melanoma. The first two skin cancers are grouped together as non-melanoma skin cancers. Other unusual types of skin cancer include Merkel cell tumors and dermatofibrosarcoma protruberans.  Types of carcinoma. Carcinomas can occur in many parts of the body. Some common types of carcinoma include: 1  Basal cell carcinoma: The most common type of skin cancer. 2  Cancerous cells develop within the basal cell layer of the skin, or the lowest part of the epidermis.
http://www.ncbi.nlm.nih.gov/pubmedhealth/PMH0001832/ http://www.cancercenter.com/terms/carcinoma/ http://www.ncbi.nlm.nih.gov/pubmedhealth/PMH0001827/ https://en.wikipedia.org/wiki/Squamous-cell_carcinoma http://www.innerbody.com/diseases-conditions/basal-cell-carcinoma http://www.mayoclinic.org/diseases-conditions/basal-cell-carcinoma/basics/definition/CON-20028996 http://www.cancer.org/cancer/skincancer-basalandsquamouscell/detailedguide/skin-cancer-basal-and-squamous-cell-what-is-basal-and-squamous-cell http://www.webmd.com/cancer/what-is-carcinoma http://www.webmd.com/melanoma-skin-cancer/melanoma-guide/skin-cancer http://www.cancercenter.com/terms/carcinoma/
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