| 标题 |
  Assessment of water enema PET/CT: an effective imaging technique for the diagnosis of incidental colorectal 18F-FDG uptake 评估水灌肠PET/CT：诊断结直肠偶发18F-FDG摄取的有效成像技术
相关领域
医学
PET-CT
放射科
核医学
结肠镜检查
结直肠癌
灌肠
正电子发射断层摄影术
癌症
内科学
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| 网址 | |
| DOI | |
| 其它 | Background To validate the feasibility of water enema PET/CT (WE-PET/CT) in incidental colorectal F-18-FDG uptake and improve the accuracy of diagnosing colorectal neoplastic lesions.Methods We retrospectively analysed the electronic records of 338 patients undergoing common PET/CT and WE-PET/CT at our hospital. PET/CT results were correlated with colonoscopy pathology and follow-up results. The ROC contrast curve was plotted to evaluate the accuracy of SUVmax on common PET/CT and WE-PET/CT for detecting neoplastic lesions. SUVmax and the median retention indexes (RIs) of cancerous, precancerous, and benign lesions and physiologic uptake were compared.Results The sensitivity, specificity and accuracy of diagnosing neoplastic lesions with common PET/CT were 84.0%, 78.3% and 80.2%, respectively. The corresponding results with WE-PET/CT were 95.8%, 96.5% and 96.2%. The AUC of SUVmax on WE-PET/CT was significantly higher than that on common PET/C |
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