About malignant melanoma Malignant melanoma is a malignant neoplasm comprised of melanocytes and nevus cells, both of which are pigment-producing. It is typified by irregularity in shape and color, and eventually a palpable papule or plaque. There are four types of malignant melanoma: superficial spreading, lentigo maligna, nodular, and acral lentiginous. Lentigo maligna melanoma. This… Read More
About squamous cell carcinoma Squamous cell carcinoma is a commonly occurring malignant growth derived from epidermal keratinocytes. It appears as an indurated (hard), scaling or crusted plaque or nodule that may ulcerate or bleed. A number of risk factors contribute to the development of squamous cell carcinoma, including exposure to ultraviolet radiation and chemical carcinogens.… Read More
About basal cell carcinoma Basal cell carcinoma (BCC) is a cancer arising from the basal cell layer of the epidermis. It is the most commonly occurring human cancer. Despite only rarely metastasizing, these aggressive tumors can cause profound local tissue destruction. The majority of basal cell carcinomas are caused by exposure to ultraviolet radiation in… Read More
About skin cancer Skin cancer is the most common malignancy. There are three major varieties: -Basal cell carconoma -Squamous cell carconoma -Melanoma These are discussed in separate entries.