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Kikuchi-Fujimoto disease (KFD), also known as histiocytic necrotizing lymphadenitis, is a rare benign condition characterized by cervical lymphadenopathy and constitutional symptoms mimicking tuberculosis. We present the case of a 22-year-old male who presented with fever, dry cough, loss of appetite, multiple joint pains for 15 days, and loss of weight for one month. Physical examination revealed palpable cervical, occipital, axillary, and inguinal lymphadenopathy, and laboratory investigations were within normal limits except for raised erythrocyte sedimentation rate (ESR). Contrast-enhanced computed tomography (CECT) showed mediastinal lymphadenopathy with no pleuroparenchymal abnormality of the lung. Excision biopsy of a cervical lymph node confirmed necrotizing lymphadenitis consistent with KFD. The patient was treated with nonsteroidal anti-inflammatory drugs (NSAIDs) and glucocorticoids, resulting in the resolution of symptoms and regression of lymphadenopathy. This case signifies the importance of considering KFD in the differential diagnosis of lymphadenopathy and highlights the significance of histopathological evaluation for accurate diagnosis and management guidance.
Kedar et al. (Wed,) studied this question.