Final answer:
The term 'Malignant Melanoma' refers to a cancerous skin growth that arises from the uncontrolled growth of melanocytes, with potential for high metastasis and serious outcomes if not treated early.
Step-by-step explanation:
The diagnostic term Malignant Melanoma actually means a cancerous skin growth, which is characterized by the uncontrolled growth of melanocytes. These are the pigment-producing cells located in the epidermis of the skin. Melanoma typically develops from a mole and is known for being highly metastatic and extremely dangerous if not detected and treated early.
Malignant melanoma often presents as asymmetrical brown and black patches with irregular borders and a raised surface. Early detection is crucial and involves monitoring skin changes following the ABCDE mnemonic: Asymmetry, Borders, Color, Diameter, and Evolving. Treatment usually involves surgical excision and immunotherapy.