title: Unusual Finding of a Tumor Thrombus Arising From Osteosarcoma Detected on 18F-NaF PET/CT.
abstract: Osteosarcoma is the most common bone sarcoma in adolescents and children. Tumor thrombus arising from osteosarcoma is rare. We describe the case of a 13-year-old girl with osteosarcoma of the right femur, in whom the F-NaF PET/CT was done for initial staging to look for skeletal metastases. The scan showed abnormal increased tracer uptake in the primary tumor and the right common femoral and external iliac vein representing a tumor thrombus. Our case emphasizes the importance of extraosseous findings on F-NaF PET/CT, which may result in important management changes.
authors.affiliation: From the Department of Nuclear Medicine and Molecular Imaging, Tata Memorial Hospital, Parel Mumbai, India.
authors.forename: Priyanka
authors.initials: P
authors.lastname: Verma
authors.forename: Nilendu
authors.initials: N
authors.lastname: Purandare
authors.forename: Archi
authors.initials: A
authors.lastname: Agrawal
authors.forename: Sneha
authors.initials: S
authors.lastname: Shah
authors.forename: Venkatesh
authors.initials: V
authors.lastname: Rangarajan
mesh_terms: D000293:Adolescent; D001859:Bone Neoplasms / Q000150:complications*; D005260:Female; D005462:Fluorine Radioisotopes; D006801:Humans; D012516:Osteosarcoma / Q000150:complications*; D000072078:Positron Emission Tomography Computed Tomography; D012969:Sodium Fluoride; D013927:Thrombosis / Q000150:complications* / Q000000981:diagnostic imaging*
chemical_list: D005462:Fluorine Radioisotopes; D012969:Sodium Fluoride