cases, lymph node Week 535: Case 3 April 26, 2023 pathadmin 1. Presented by Ashley Cimino-Mathews, M.D. and prepared by Justin Poling, M.D.A retroperitoneal lymph node dissection is performed in a 30 year-old male with a reported history of a testicular teratoma.Metastatic yolk sac tumorMetastatic yolk sac tumor and teratomaMetastatic embryonal carcinoma, seminoma, and teratomaMetastatic embryonal carcinoma, yolk sac tumor, and teratoma 1. Presented by Ashley Cimino-Mathews, M.D. and prepared by Justin Poling, M.D.A retroperitoneal lymph node dissection is performed in a 30 year-old male with a reported history of a testicular teratoma.