Korean Journal of Radiology

The Korean Society of Radiology (대한영상의학회)
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Diagnosis of Recurrent Uterine Cervical Cancer: Computed Tomography versus Positron Emission Tomography

  • Dong Hee Park (Department of Diagnostic Radiology, Korea Cancer Center Hospital) ;
  • Kie Hwan Kim (Department of Diagnostic Radiology, Korea Cancer Center Hospital) ;
  • Sang Yoon Park (Department of Obstetrics and Gynecology, Korea Cancer Center Hospital) ;
  • Byung Hee Lee (Department of Diagnostic Radiology, Korea Cancer Center Hospital) ;
  • Chang Woon Choi (Department of Nuclear Medicine, Korea Cancer Center Hospital) ;
  • Soo Yil Chin (Department of Diagnostic Radiology, Korea Cancer Center Hospital)
  • Received : 1999.10.13
  • Accepted : 2000.01.06
  • Published : 2000.03.31
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Abstract

Objective: To determine the accuracy of CT and positron emission tomography (PET) in the diagnosis of recurrent uterine cervical cancer. Materials and Methods: Imaging findings of CT and PET in 36 patients (mean age, 53 years) in whom recurrent uterine cervical cancer was suspected were analyzed retrospectively. Between October 1997 and May 1998, they had undergone surgery and/or radiation therapy. Tumor recurrence was confirmed by pathologic examination or follow-up studies. Results: In detecting recurrent uterine cervical cancer, the sensitivity, specificity, and accuracy of CT were 77.8%, 83.3%, and 80.5%, respectively, while for PET, the corresponding figures were 100%, 94.4%, and 97.2%. The Chi-square test revealed no significant difference in specificity (p = .2888), but significant differences in sensitivity (p = .0339) and accuracy (p = .0244). Conclusion: PET proved to be a reliable screening method for detecting recurrent uterine cervical cancer, but to determine the anatomical localization of recurrent tumors, and thus decide an adequate treatment plan, CT was eventually needed.

Keywords

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