Levitt R G, Stanley R J, Sagel S S, Lee J K, Weyman P J
J Comput Assist Tomogr. 1982 Apr;6(2):259-67. doi: 10.1097/00004728-198204000-00006.
Diagnostic accuracy of pancreatic computed tomography (CT) using a 3 s scanner was compared to our previously published results using an 18 s scanner. Technically unsuccessful examinations have decreased to less than 1%. Pancreatic masses were detected prospectively in 83% of patients with pancreatic carcinoma and retrospectively in all such patients. False negative diagnoses of normal pancreas in proven pancreatic carcinoma were reduced fourfold down to 6%. False positive diagnoses of pancreatic carcinoma remained less than 1% but were not significantly reduced compared to our second year's experience using an 18 s scanner. Interpretation errors and errors due to limitations of CT as a diagnostic technique are discussed.
将使用3秒扫描仪的胰腺计算机断层扫描（CT）的诊断准确性与我们之前发表的使用18秒扫描仪的结果进行了比较。技术上不成功的检查已降至不到1%。前瞻性地在83%的胰腺癌患者中检测到胰腺肿块，在所有此类患者中均进行了回顾性检测。在经证实的胰腺癌中，正常胰腺的假阴性诊断降低了四倍，降至6%。胰腺癌的假阳性诊断仍低于1%，但与我们使用18秒扫描仪的第二年经验相比，没有显著降低。讨论了解读错误以及由于CT作为一种诊断技术的局限性而导致的错误。
