This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Non Hodgkin Iymphoma, Subject name: Pathology
[{'content': 'Mycosis fungoides is: \nSelect and explain. \nA. Fungal infections of skin, B. Leukemia, C. Exfoliative erythroderma, D. Cutaneous lymphoma', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Mycosis fungoides is a T cell lymphoma affecting skin which can evolve into generalized lymphoma. Histological hallmark: Sezary Lutzner cells which are helper T cells forming band like aggregates in superficial dermis and have cerebriform contourQ. May invade epidermis as single cells and small clusters called as Pautrier microabscessesQ', 'role': 'assistant'}]