Primary Ewing Sarcoma/Primitive Neuroectodermal Tumor of Kidney With Inferior Vena Cava Thrombus Findings on F-18-FDG PET/CT

摘要

Primary Ewing sarcoma/primitive neuroectodermal tumor is a group of rare aggressive tumors in adults derived from neuroectoderm, and primary renal involvement is extremely rare. We describe an F-18-FDG PET/CT findings of a 28-year-old man who presented with left renal mass with inferior vena cava thrombus, which turned out to be primary Ewing sarcoma on histopathology specimen post left nephrectomy.