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A Rare Case of Rosai-Dorfman Disease Affecting the Brachial Plexus: A Case Report
Sinus histiocytosis with massive lymphadenopathy or Rosai-Dorfman disease is a rare but well-established entity, commonly affecting the lymph nodes of the head and neck. Extranodal presentation, affecting the central nervous system, eye orbit, kidneys, testis, bones, upper respiratory tract, lungs, thyroid, small intestine, and peritoneum, has been reported. We present a case of a rare presentation of Rosai-Dorfman disease affecting the brachial plexus.Osseous Rosai–Dorfman Disease Presenting as a Solitary Lesion of the Distal Radius
Rosai–Dorfman disease, also known as sinus histiocytosis with massive lymphadenopathy, is a rare entity in which bone involvement occurs in less than 5% to 10% of patients and skeletal cases are usually multifocal. Extranodal solitary lesions of bone without nodal involvement or additional clinical manifestations are exceedingly rare. We present the clinical course and management of a 34-year-old African American woman who presented with the disease as a solitary lesion of the distal radius.
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