TY - JOUR AU - Saima Muzahir AU - Scott Perlman AU - Thomas Warner AU - Lance T Hall PY - 2015/04/30 Y2 - 2024/03/28 TI - INTRAOSSEOUS SARCOIDOSIS MIMICKING AS BONE METASTASES ON 18F- FDG PET/CT JF - Journal of Cancer & Allied Specialties JA - J Cancer Allied Spec VL - 1 IS - 1 SE - Clinical Case Report DO - 10.37029/jcas.v1i1.16 UR - https://journals.sfu.ca/jcas/index.php/jcas/article/view/16 AB - A 62-year-old male with known prostate cancer underwent 18F- uorodeoxyglucose positron emission tomography/ computed tomography (18F-FDG PET/CT) scan for suspected osseous metastases after a magnetic resonance imaging of the pelvis, done for chronic low back pain and demonstrated a number of suspicious T1 hypointense/T2 hyperintense lesions in the sacrum, iliac bones and right proximal femur.18F-FDG PET/CT showed abnormal foci of increased tracer uptake in the sacrum, iliac bones and right proximal femur. Core biopsies from the sacrum were performed, showing intertrabecular non-caseating granulomata with surrounding small lymphocytes. Acid-fast bacilli and Gomori methenamine silver stains were negative, consistent with intraosseous sarcoidosis. Key words: 18F- uorodeoxyglucose positron emission tomography/computed tomography, non-caseating granulomata, sarcoidosis  ER -