Sinus Histiocytosis with Septic Embolism and Infective Endocarditis

Rosai and Dorfman were the first to describe benign histiocytosis, also known as Rosai Dorfman disease. Since then, several case reports have been reported. This entity is a rare cause of lymphadenopathy. The clinical, laboratory, and biopsy findings of a sinus histiocytosis case is discussed and compared with previously reported cases. The distinguishing features of this case are isolated involvement of the axillary lymph nodes, accompanying chronic renal failure, infective endocarditis and septic embolism besides the rarity of the diagnosis of sinus histiocytosis