This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Skin, Subject name: Medicine
[{'content': 'What is the diagnosis in this patient with axillary lymphadenopathy? \nSelect and explain. \nA. Bacterial felon, B. Erysipelas, C. Herpetic whitlow, D. Paronychia', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Answer C. Herpetic whitlowDirect fluorescence antibody testing of vesicular fluid confirmed the presence of herpes simplex virus type 2, consistent with the diagnosis of herpetic whitlow. The patient responded to treatment with oral acyclovir.', 'role': 'assistant'}]