Rosai-Dorfman disease is typically presented as lymphadenopathy, especially in the neck. Extranodal diseases also frequently occur but are generally concurrent with nodal disease. We report FDG PET/CT findings of solitary femoral Rosai-Dorfman disease without any lymphadenopathy in a pediatric patient.
From the Department of Radiology, Children's Hospital of Philadelphia, University of Pennsylvania Perelman School of Medicine, Philadelphia, PA.
Received for publication January 3, 2019; revision accepted January 7, 2019.
Conflicts of interest and sources of funding: none declared.
Correspondence to: Hongming Zhuang, MD, PhD, FACNM, Department of Radiology, Children's Hospital of Philadelphia, 34th & Civic Ctr Blvd, Philadelphia, PA 19104. E-mail: firstname.lastname@example.org.