This slideshow covers the basics of thyroid goitersâan enlargement of the thyroid gland. Some goiters can become so large that you can easily see them when you turn to the side. But are they typically benign? And who gets goiters, and how do you treat them?
Malignant Melanoma. Definition. Malignant melanoma is a type of cancer arising from the melanocyte cells of the skin. Melanocytes are cells in the skin that produce a pigment called melanin. Malignant melanoma develops when the melanocytes no longer respond to normal control mechanisms of cellular growth.
Times, Sunday Times (2008) These form 80 per cent of malignant brain tumours and often cause death within a year. Times, Sunday Times (2006) They are less dangerous than another common form of skin cancer - malignant melanoma. The Sun (2008) A malignant brain tumour was diagnosed last September. Times, Sunday Times (2006) The man had advanced malignant melanoma - skin cancer - which is very difficult to treat once it has spread. The Sun (2008) It suggested that increasing use is causing at least 100 deaths a year and 370 cases of malignant skin cancer.