A case of disseminated extranodal <scp>Rosai–Dorfman</scp> disease diagnosed by skin manifestations

Rosai–Dorfman disease (RDD) is a rare non-Langerhans cell histiocytosis that was first described as sinus with massive lymphadenopathy by Rosai and Dorfman in 1969. While classical/nodal RDD typical, extranodal involvement seen up to 43% of all cases, 23% showing only lesions. Here, we present case disseminated RDD, where the initial symptoms were cutaneous manifestations.