kikuchi disease in elderly: report of a rare disease in an unusual age

Kikuchi disease is a benign, self-limited, and rare condition presented mainly by lymphadenopathy and fever. kikuchi disease is more common in women, especially women under 40. we report a 63-year-old iranian woman presenting with long-term fever, constitutional symptoms, and cervical lymphadenopathy. a lymph node biopsy was done for her, and the diagnosis of kikuchi disease was confirmed. kikuchi disease is a self-limited condition with a good prognosis that can resolve with no specific treatment within a few weeks. still, some patients are at risk of recurrence and development of sle and lymphoma. our patient was treated with a low dose of glucocorticoids. on 6 month follow-up, she had no signs and symptoms of recurrence and no evidence of sle development. the interesting point of this case is the clinical picture and her age of presentation.