A Case Report: Rosai Dorfman Disease

Abstract

Rosai-Dorfman Disease (RDD) is a rare disorder which usually associated with enlargement various superficial or deep lymph nodes. Clinical course of this disease is prolonged with exacerbation and remission phases occasionally. Over-production and accumulation of a specific type of white blood cell called histiocyte occurred in the lymph nodes of the body, mostly on the the neck. Other lymph node groups and in some cases, extra nodal abnormal accumulation of histiocytes may occur in other areas of the body that is more common in the head and neck region. Here we discussed a patient with extra-nodal involvement who presented with bilateral orbital mass.