cases, lymph node Week 233: Case 1 April 26, 2023 pathadmin 1. Presented by Fred Askin, M.D. and prepared by Kara Judson, M.D.Twenty-nine year old woman who underwent exploratory surgery because of a radiographically demonstrated kidney mass. At the time of the operation, an incidental mesenteric mass was discovered.Progressive transformation of germinal centersCastleman's disease, Hyaline-Vascular typeMalignant lymphoma, follicular typeReactive lymphoid hyperplasia Loading...