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Adult-onset Still's disease: evaluation by gallium-67 citrate scintigraphy.

A 17-year-old woman was admitted to our hospital because of fever of unknown origin (FUO) . Her fever continued with a daily rise to over 39°C, accompanied by polyarthralgia, evanescent maculopapular rash, sore throat, and cervical lymphadenopathy. Laboratory examinations revealed leukocytosis with predominant neutrophilia, increased erythrocyte sedimentation rate, liver dysfunction and hyperferritinemia. Abdominal computed tomography showed abdominal lymphadenopathy and hepatosplenomegaly. Gallium-67 citrate scintigram showed diffuse bone marrow uptake, symmetrical large joint uptake and hepatosplenomegaly (Fig. 1). This patient fulfilled the criteria (1), and a final diagnosis of adult-onset Still’s disease (AOSD) was made.