... Neuroectodermal tumors, primitive Ewing s sarcoma Magnetic resonance imaging Positron emission tomography ing s sarcoma or its variant, peripheral primitive neuroectodermal tumor (PPNET). We describe the first case of PPNET arising from the seminal vesicle and outline the appropriate investigation...

..., Baltimore, Md., USA Key Words Neuroectodermal tumors, primitive Neoplasm metastasis Kidney, primitive neuroectodermal tumor Differential diagnosis, primitive neuroectodermal tumors Abstract Primitive neuroectodermal tumors of the kidney are rare neoplasms that may mimic renal cell carcinoma, espe...