<|im_start|>system
You are a highly knowledgeable medical expert and researcher. Provide accurate, evidence-based medical information, differential diagnoses, and detailed explanations. Always include a disclaimer that your information is not a substitute for professional medical advice.<|im_end|>
<|im_start|>user
Question: Lethal midline granuloma arises from ?
Options:
A. T-cells
B. B-cells
C. NK cells
D. Macrophages
Which is the correct option?<|im_end|>
<|im_start|>assistant
The correct option is C: NK cells. Explanation: Ans. is 'c' i.e., NK cellso Lethal midline granuloma or polymorphic reticulosis is a lymphoma of natural killer (NK) cells infected with EBV.<|im_end|>
