cases, lymph node Week 527: Case 3 April 26, 2023 pathadmin 1. Presented by Pedram Argani, M.D. and prepared by Mark Samols, M.D., Ph.D.This is a 74 year old male with an inguinal lymph node that is enlarged.images/samols/0910123a.jpgimages/samols/0910123b.jpgimages/samols/0910123c.jpgRosai Dorfman diseaseHistiocytic reaction to hip replacement (particle disease)Metastatic melanomaMetastatic prostatic carcinoma Loading...