This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Physiology
Histiocytic necrotizing lymphadenitis is 
Select and explain. 
A. Kimura disease, B. Kikuchi disease, C. Hodgkin's disease, D. Castleman's disease
B: Kikuchi disease
Answer: B: Kikuchi disease 
Explanation: Kikuchi-Fujimoto disease (KFD), or histiocytic necrotizing lymphadenitis, is a benign and self-limited disease that mainly affects young women. Patients present with localized lymphadenopathy, fever, and leukopenia in up to half of the cases.