Rosai-Dorfman Disease of the Digestive System—Beware Vasculopathy: A Clinicopathologic Analysis

Rosai-Dorfman disease (RDD) is a rare non-Langerhans cell histiocytic proliferation that occurs in nodal and extranodal sites. Rare examples of the disease involving the digestive system have been described. To characterize the digestive tract manifestations of this disease, 12 specimens from 11 pat