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Diagnostic value and clinical significance of abnormal uptake in extraosseous tissue for differentia-ting benign from malignant lesions / 中华核医学与分子影像杂志
Chinese Journal of Nuclear Medicine and Molecular Imaging ; (6): 522-525, 2019.
Article in Chinese | WPRIM | ID: wpr-755299
ABSTRACT
Objective To investigate the regularity and clinical significance of abnormal bone up-take of 99Tcm-methylene bisphosphonate (MDP) in benign and malignant lesions. Methods A retrospec-tive analysis was performed on 266 patients ( 132 males, 134 females, age range8-85 years) with abnor-mal uptake of 99 Tcm-MDP in extraosseous tissues from September 2015 to March 2018. The final diagnosis of abnormal uptake was made according to the histopathology, laboratory and related imaging examination ( CT, MRI, ultrasound, SPECT/CT or PET/CT imaging) results within 2 weeks after 99 Tcm-MDP imaging. Regularity of abnormal 99 Tcm-MDP uptake was comprehensively analyzed. Differences between benign and malignant groups were compared by χ2 test or Fisher exact test. Results Abnormal 99 Tcm-MDP uptake in extraosseous tissues in 232 patients (87.2%, 232/266) were confirmed as malignant lesions and those in 34 patients (12.8%, 34/266) were benign. There were no significant differences in gender (χ2=0.611, P>0. 05) , age ( P=0.584) , and location ( P=0.118) between benign and malignant lesions, but the involve-ment was significantly different (χ2=19.515, P<0.05). There were significant differences between single focus and diffuse foci of single organ, diffuse foci of single organ and multiple foci groups (χ2=8. 959, 19. 325, both P<0.01) . Conclusions The detection rate of malignancy among foci with abnormal 99 Tcm-MDP uptake in extraosseous tissues is high, and the malignancy may relate with the involvement of foci. When extraosseous uptake is found, clinical information and related examination results should be compre-hensively analyzed and the malignancy should be taken into account.

Full text: Available Index: WPRIM (Western Pacific) Type of study: Diagnostic study Language: Chinese Journal: Chinese Journal of Nuclear Medicine and Molecular Imaging Year: 2019 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Type of study: Diagnostic study Language: Chinese Journal: Chinese Journal of Nuclear Medicine and Molecular Imaging Year: 2019 Type: Article