cases, scrotum Week 462: Case 3 April 26, 2023 pathadmin 1. Presented by Jonathan Epstein, M.D. and prepared by Carla Ellis, M.D.A 68 year old male underwent exploration for repair of a hydrocele sac at which point it was noted there was a delicate papillary lesion arising from the hydrocele sac. Well-differentiated papillary mesotheliomaPapillary mesothelioma of uncertain malignant potentialMalignant mesothelioma 1. Presented by Jonathan Epstein, M.D. and prepared by Carla Ellis, M.D.A 68 year old male underwent exploration for repair of a hydrocele sac at which point it was noted there was a delicate papillary lesion arising from the hydrocele sac.