Presenting with left sided proptosis
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Large amount of contiguous well defined enhancing tissue in the paranasal sinuses, nasal cavity and adjacent to the greater wing of sphenoids.
Similar para-sagittal mass close to the vertex.
Rosai-Dorfman disease (RDD) (also known as sinus histiocytosis with massive lymphadenopathy (SHML)) is a rare benign idiopathic proliferative disease that involve phagocytic histiocytes.
Patient with histologically proven Rosai-Dorfman Disease.