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.
âMalignant melanoma is the least common yet most dangerous form of skin cancer.â âShe died of overwhelming infection 9 months after the initial diagnosis of malignant lymphoma.â âDuring chemotherapy, he learned there also were two malignant lesions on his brain.â