Reumatología Clínica (English Edition) Reumatología Clínica (English Edition)
Case report
Rosai–Dorfman disease: Ultrasonography and histopathology study of a soft tissue mass in the forearm
Enfermedad de Rosai-Dorfman: estudio por ultrasonografía e histológico de una masa de partes blandas en el antebrazo
Fadi Badlissia, German Albert Pihanb, Hèctor Corominasa,c,, ,
a Division of Rheumatology and Lupus Center, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA
b Hematopathology Service, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA
c Unitat territorial de Reumatologia, Hospital Universitari de Sant Pau & Hospital Dos de Maig, Universitat Autónoma de Barcelona (UAB), Barcelona, Spain
Received 13 October 2017, Accepted 15 February 2018

Rosai–Dorfman disease (RDD) is uncommon in daily practice, but needs to be ruled out in rheumatologic conditions to elucidate a wide differential diagnosis. Beside its typical presentation, soft tissue masses can be easily seen in our Rheumatology clinics. Ultrasonography widely extended in our specialty, could also play a role in the diagnosis, to end up with the histological confirmation of the disease.


La enfermedad Rosai–Dorfman (ERD) es infrecuente en nuestra práctica diaria, aunque se debe considerar en el diagnóstico diferencial de diferentes procesos en reumatología. La presentación en forma de masa de partes blandas incluye el estudio radiológico y la ecografía de partes blandas muy extendida en nuestra especialidad y, finalmente, la confirmación histológica.

Rosai–Dorfman disease, Ultrasonography, Histopathology
Palabras clave
Enfermedad de Rosai–Dorfman, Ultrasonografía, Histopatología


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