R. J. Rosai

R. J. Rosai was a renowned American pathologist known for his significant contributions to diagnostic pathology, particularly in understanding diseases of the immune system and tumors. He co-developed the "Rosai-Dorfman disease," a rare condition characterized by an overgrowth of immune cells. His work helped improve the way doctors identify and classify various diseases through tissue analysis, advancing diagnostic accuracy and patient care. Rosai’s publications and teachings remain influential in pathology, cementing his legacy as a key figure in medical science.