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Updated: Sep 29, 2025

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Rosai-Dorman disease mimicking lymphoma on 18F-FDG PET/CT
Sharjeel Usmani1, Dalal Al Turkait Ahmed2, Rehab S Elhaggracy3
1Department of Nuclear Medicine, Kuwait Cancer Control Center (KCCC), Khaitan, Kuwait.
Abstract:
Rosai-Dorman Disease (RDD) is an uncommon benign disorder of proliferative histiocytes. RDD is usually self-remitting yet has been shown to mimic lympho-proliferative disorders clinically as well as on imaging studies. We report a-47-year-old female who was referred to our department with the presenting complaint of bulky abdominopelvic nodal masses suspicious of lymphoma where 18F-FDG PET/CT played a role in the evaluation and staging.
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