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  • Validity of 18F-fluorodeoxyglucose Positron Emission Tomography/Computed Tomography for Pretreatment Evaluation of Patients With Cervical Carcinoma: A Retrospective Pathology-Matched Study

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Cervical Cancer
Validity of 18F-fluorodeoxyglucose Positron Emission Tomography/Computed Tomography for Pretreatment Evaluation of Patients With Cervical Carcinoma: A Retrospective Pathology-Matched Study
  1. Yu Dong, MM*,
  2. Xiaoyun Wang, MBBS*,
  3. Yanan Wang, MM*,
  4. Yuan Liu, MM*,
  5. Jiawen Zhang, MM†,
  6. Wenyan Qian, MM‡ and
  7. Sufang Wu, MD, PhD*
  1. *Department of Obstetrics and Gynecology, Shanghai First People’s Hospital Affiliated to Shanghai Jiaotong University, Shanghai, China;
  2. †Department of Obstetrics and Gynecology, Shanghai Tenth People’s Hospital, Shanghai, China; and
  3. ‡Department of Obstetrics and Gynecology, Kunshan Hospital of Traditional Chinese Medicine, Kunshan, China.
  1. Address correspondence and reprint requests to Sufang Wu, MD, PhD, Department of Obstetrics and Gynecology, Shanghai First People’s Hospital Affiliated to Shanghai Jiaotong University, No 650, Xinsongjiang Road, Songjiang District, Shanghai, China. E-mail: wsf_sfph@163.com.

Abstract

Objective The aim of this study was to evaluate the validity of 18F-fluorodeoxyglucose (18F-FDG) positron emission tomography (PET)/computed tomography (CT) for pretreatment evaluation of patients with cervical carcinoma.

Methods Retrospective evaluation of 63 patients, diagnosed with stage IA-IIA cervical carcinoma who underwent 18F-FDG PET/CT before surgery, was performed. Sensitivity, specificity, positive predictive value, negative predictive value, likelihood ratios (LRs) of PET/CT for predicting the positive cervix, vagina, uterine body, and lymph node invasion at the surgical specimen was calculated.

Results Sensitivity, specificity, positive predictive value, and negative predictive value of the positive cervix invasion in PET/CT to detect positive surgical specimen were 88.2%, 75%, 93.8%, and 60%, respectively. The LR+ ratio was 3.5, and the LR− ratio was 0.2. Sensitivity, specificity, positive predictive value, and negative predictive value of the positive vagina invasion in PET/CT to detect positive surgical specimen were 100%, 70.97%, 5.3%, and 100%, respectively. The LR+ ratio was 3.4, and the LR− ratio was 0. Sensitivity, specificity, positive predictive value, and negative predictive value of the positive uterine body invasion in PET/CT to detect positive surgical specimen were 75%, 83.1%, 23.1%, and 98%, respectively. The LR+ ratio was 4.4, and the LR− ratio was 0.3. Sensitivity, specificity, positive predictive value, and negative predictive value of the positive lymph node invasion in PET/CT to detect positive surgical specimen were 87.5%, 78.4%, 38.9%, and 97.6%, respectively. The LR+ ratio was 4.1, and the LR− ratio was 0.2.

Conclusions The cervix invasion, negative uterine body invasion, and negative lymph node invasion are effective 18F-FDG PET/CT findings.

  • 18F-FDG PET/CT
  • Cervical carcinoma
  • Retrospective
  • Pathology matched

http://dx.doi.org/10.1097/IGC.0000000000000287

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    Footnotes

    • Yu Dong and Xiaoyun Wang contributed equally to this study.

    • Supported in part by grants from the National Natural Science Foundation of China (NSFC no. 81201541), the grant (nos. 12PJD002 and 09411962500) form the Shanghai Science and Technology Committee, and the grant (no. 201002013) from the Science and Research Foundation for Public Welfare Industry of Ministry of Health of China.

    • The authors declare no conflicts of interest.