This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Tumours of skin, Subject name: Dental
[{'content': 'Type of melanoma associated with a fibrotic response, neural invasion, and a greater tendency for local recurrence? \nSelect and explain. \nA. Superficial spreading, B. Desmoplastic, C. Lentigo maligna, D. Acral lentiginous', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Desmoplastic melanomais associated with fibrotic response, neural invasion, and a greater tendency for local recurrence. Superficial spreading melanoma(SSM) is most commonly associated with pre-existing nevi. Lentigo maligna melanoma usually is confined to chronically sun-damaged sites in older individuals. Acral lentiginous melanoma occurs on the palms, soles, nail beds, and mucous membranes', 'role': 'assistant'}]