<scp>R</scp>osai <scp>D</scp>orfman disease diagnosed by fine‐needle aspiration cytology in a young man with <scp>HIV</scp> infection

Abstract

RDD (Rosai Dorfman disease) is a rare and benign histiocytic proliferative disorder of unknown etiology. FNAC (Fine-needle aspiration cytology) is a useful and reliable tool for the diagnosis of RDD, and as such, biopsy is avoidable.