A 46-year-old man was first diagnosed as Buerger's disease according to his clinical and radiological features because he had no evidence of parasitic, allergic and connective tissue disease. Soft subcutaneous nodules suspected of lymphadenopathy on the bilateral inguinal regions were recognized after admission. Positron emission tomography scan showed the increased uptake of (18)F-fluoro-2-deoxyglucose in the bilateral inguinal regions. We finally diagnosed him as Kimura's disease based on pathologic findings and laboratory data, and started steroid therapy. The uptake of (18)F-fluoro-2-deoxyglucose disappeared and his leg pain was improved after the treatment. This is the first case report presenting a patient of Kimura's disease with Buerger's disease-like vasculitis who was demonstrated by positron emission tomography.
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