cases, soft tissue Week 30: Case 1 April 26, 2023 pathadmin 1. Presented by Pedram Argani, M.D. and prepared by Orin Buetens, M.D.46-year-old male with neck mass. Three months earlier he had been found to have a thigh mass with a similar histology.Myxoid neurofibromaMyxoid liposarcomaExtraskeletal myxoid chondrosarcomaMyxofibrosarcoma (myxoid malignant fibrous histiocytoma) 1. Presented by Pedram Argani, M.D. and prepared by Orin Buetens, M.D.46-year-old male with neck mass. Three months earlier he had been found to have a thigh mass with a similar histology.