bladder, cases Week 367: Case 3 April 26, 2023 pathadmin 1. Presented by George Netto, M.D. and prepared by ChanJuan Shi, M.D., Ph.D.A 9 year boy presented with hematuria was found to have a 3.5 cm "polypoid/dome shaped" urinary bladder mass. Focal Desmin and cytokeratin staining was demonstrated.images/netto92908-3a.jpgimages/netto92908-3b.jpgimages/netto92908-3c.jpgSpindle cell embryonal rhabdomyosarcomaSarcomatoid urothelial carcinomaLeiomyosarcoma, high gradeInflammatory myofibroblastic tumor Loading...