cases, ear Week 256: Case 5 April 26, 2023 pathadmin 1. Presented by Peter Illei, M.D. and prepared by Todd Sheridan, M.D.This 2-year-old healthy boy presented to his pediatrician with a large painless neck mass. An excisional biopsy was performed./images/2.7.06.PIcase6a.jpg/images/2.7.06.PIcase6b.jpg/images/2.7.06.PIcase6c.jpg/images/2.7.06.PIcase6d.jpg/images/2.7.06.PIcase6e.jpgNon-specific sinus hyperplasiaRosai-Dorfman diseaseLangerhans' cell histiocytosisHodgkin's lymphoma Loading...