Primary Renal Leiomyosarcoma Presenting with Subcutaneous and Osseous Metastases: Staging and Follow-Up with 18F-FDG PET/CT

18F-FDG PET/CT MIP a anterior and b left lateral images show multiple foci of mild as well as intense 18F-FDG uptake corresponding to subcutaneous soft tissue nodules (down arrow), a lobulated left renal mass (left arrow) and a sacral bone mass (right arrow