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99mTc-Sestamibi Avid Soft Tissue Lesions in Rosai-Dorfman Disease
Philip Kin-Wai Wong1, Daniel J Lee, Saul Harari
1From the *Department of Radiology and Imaging Sciences, †Division of Nuclear Medicine and Molecular Imaging, and ‡Department of Pathology, Emory University School of Medicine, Atlanta, GA.
Abstract:
Langerhan's histiocytosis is a not uncommon disease, but a related disorder, Rosai-Dorfman (RDD) with extensive or exclusive extranodal distribution, is relatively rare. Ga and PET/CT imaging have typically been used for diagnosis and tracking response to treatment. The authors present a very unusual case wherein lesions of RDD actively accumulated Tc-sestamibi, which was injected as part of a scan to localize a parathyroid adenoma.
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