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Incidence of exclusive extrapelvic skeletal metastasis in prostate carcinoma on bone scintigraphy

World Journal of Radiology 2024年第7期16卷 265-273页

作者： Parneet Singh Kanhaiyalal Agrawal Ashique Rahman Tejasvini Singhal Girish Kumar Parida Gopinath Gnanasegaran Department of Nuclear Medicine All India Institute of Medical SciencesBhubaneshwar 751019OdishaIndia Department of Nuclear Medicine Royal Free HospitalLondon NW32QGUnited Kingdom

BACKGROUND Bone is one of the common sites of metastasis from prostate *** scintigraphy(BS)is one of the most sensitive imaging modalities currently used for bone metastatic *** metastasis in prostate carcinoma commonly involves pelvic bones but rarely involves extrapelvic-extraspinal *** To retrospectively analyze the BS data to determine the pattern of skeletal metastases in the prostate *** This retrospective observational study involves patients with biopsy-proven prostate carcinoma referred for BS for staging *** with abnormal BS were evaluated for the pattern of skeletal involvement and data were pre-sented in descriptive format in the form of *** A total of 150 patients with biopsy-proven prostate cancer who were referred for staging were included in the *** of 150 patients(8.67%)had no abnormal uptake on planar images,ruling out metastatic ***-four patients(16%)had heterogeneous uptake in the spine with distribution charac-teristic of degenerative disease and no scan pattern of metastatic *** patients(20%)had multifocal uptake involving both pelvic and extra pelvic bones on planar images typical for skeletal metastasis and were considered ***-three out of 150 patients(55.3%)had increased tracer uptake,which was indeterminate,thus,single photon emission computed tomography-computed tomography(SPECT-CT)was acquired,which showed 51 with metastatic disease,31 benign lesions,and one indeterminate *** of 150 patients had exclusive pelvic bone uptake,which was found to be metastatic in 4/7 patients in *** six out of 150 patients showed exclusive extrapelvic tracer uptake,of which only 3 had vertebral metastatic *** of the patients with increased uptake exclusively in the extrapelvic-extraspinal location was *** The incidence of exclusive extrapelvic skeletal metastatic disease in prostate carcinom

关键词： Pelvic Prostate cancer Bone scan Single photon emission computed tomography-computed tomography skeletal metastasis

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