Rosai-Dorfman Disease—Utility of 18F-FDG PET/CT for Initial Evaluation and Follow-up

Background The role of imaging in the management of Rosai-Dorfman disease (RDD), a rare non-Langerhans cell histiocytosis, is not clearly defined. We present an analysis of FDG PET/CT findings obtained for initial disease characterization, follow-up evaluation, and treatment planning for this disease. Methods From an institutional pathology database (2001–2018), we identified RDD patients who underwent FDG PET/CT scans either as part of clinical...