Primary Rosai–Dorfman disease of the femur

Jonathan C. Baker, Michael Kyriakos, Douglas J. McDonald, David A. Rubin

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9 Scopus citations

Abstract

We report a 19-year-old man with the rare occurrence of primary osseous Rosai–Dorfman disease (RDD). The patient presented with a painful, solitary, bone marrow-replacing lesion in the distal femur. A diagnosis of chronic osteomyelitis was initially made on tissue from a CT-guided needle biopsy of the lesion; however, the diagnosis of RDD was eventually made after histological and immunohistochemical analysis of material from a subsequent curettage. No lymphadenopathy or other sites of involvement were found on clinical evaluation and PET-CT. To our knowledge, this is the first report of solitary osseous RDD based on systemic staging with PET-CT. We review the clinical, imaging, and histological features of primary osseous RDD, including pitfalls in diagnosis.

Original languageEnglish
Pages (from-to)129-135
Number of pages7
JournalSkeletal Radiology
Volume46
Issue number1
DOIs
StatePublished - Jan 1 2017

Keywords

  • Bone biopsy
  • Rosai–Dorfman disease
  • Sinus histiocytosis with massive lymphadenopathy

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