cases, kidney Week 101: Case 2 April 26, 2023 pathadmin 1. Presented by Pedram Argani, M.D. and prepared by Greg Seidel, M.D.59-year-old female with a 2.5 cm well circumscribed renal mass.AngiomyolipomaLow grade myxoid distal nephron neoplasm (Henle loop tumor)Renal medullary carcinomaSarcomatoid renal cell carcinoma 1. Presented by Pedram Argani, M.D. and prepared by Greg Seidel, M.D.59-year-old female with a 2.5 cm well circumscribed renal mass.