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KMID : 0613320080140010044
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Journal of the Korean Bone and Joint Tumor Soceity
2008 Volume.14 No. 1 p.44 ~ p.50
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Diagnosis of Primary Malignant Lesion Using 18F FDG PET/CT in Metastatic Bone Tumor
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Yoon Hoi-Soo
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Abstract
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Purpose: To evaluate usefulness in diagnosing primary malignant lesion of metastatic bone tumor using 18F FDG PET/CT.
Material & Methods: Retrospective analysis was executed on 5,452 patients who were taken with 18F FDG PET/CT between December 2003 and December 2007. 180 patients who had not any history of malignancy and complained musculoskeletal pain and had ill-defined osteolytic lesion in plain X-ray, were included. 96 male and 84 female were enrolled and mean age was 59.1 year old (22~90). We analyzed diagnostic accuracy, age and sex distribution of primary malignant lesion, location of metastatic lesion.
Results: We could confirmed primary malignant lesion in 152 cases (84.4%). Most common malignant primary lesion was lung (28.3%), breast (18.9%) and gastrointestinal system (16.7%) and spine was the most common metastatic location of primary malignant lesion.
Conclusion: 18F FDG PET/CT is a effective molecular imaging detecting primary malignant lesion in patients having metastatic bone lesion without history of malignancy
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KEYWORD
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Musculoskeletal system, Metastasis, Malignant lesion, 18F FDG PET/CT
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