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Abdominal Imaging

, Volume 38, Issue 1, pp 193–200 | Cite as

Pelvic inflammatory disease: evaluation of diagnostic accuracy with conventional MR with added diffusion-weighted imaging

  • Wenhua LiEmail author
  • Yuzhen Zhang
  • Yanfen Cui
  • Ping Zhang
  • Xiangru Wu
Article

Abstract

Purpose

To determine the incremental value of magnetic resonance (MR) diffusion-weighted (DW) imaging for the diagnosis of pelvic inflammatory diseases (PID).

Materials and methods

We added DW sequences to conventional MR imaging in 187 patients with clinically suspected PID. The imaging findings included shape, signal intensity on T1-weighted, T2-weighted, and DW imaging, shade in the peripheral lesions, free pelvic fluid, and lymphadenopathy.

Results

Laparoscopic and pathological findings confirmed the diagnosis in all patients. Conventional MR findings were consistent with a diagnosis of PID in 90.7% (117/129) and of non-PID in 93.3% (28/30) of the 159 patients. The sensitivity, specificity, positive predictive value, negative predictive value, and accuracy of conventional MR imaging findings vs. the addition of DW imaging to conventional MR protocols for predicting PID were 90.7%, 93.3%, 98.3%, 70.0%, and 91.2% and 98.4%, 93.3%, 98.4%, 93.3%, and 97.5%, respectively.

Conclusion

The addition of DW sequences to conventional MR imaging can improve the accuracy of diagnosis in PID.

Keywords

Ovary Pelvic inflammatory disease Pelvic abscess Diffusion-weighted imaging 

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Copyright information

© Springer Science+Business Media, LLC 2012

Authors and Affiliations

  • Wenhua Li
    • 1
    Email author
  • Yuzhen Zhang
    • 1
  • Yanfen Cui
    • 1
  • Ping Zhang
    • 2
  • Xiangru Wu
    • 3
  1. 1.Department of RadiologyXinhua Hospital Affiliated to Shanghai JiaoTong University School of MedicineShanghaiChina
  2. 2.Department of Obstetrics and GynecologyXinhua Hospital Affiliated to Shanghai JiaoTong University School of MedicineShanghaiChina
  3. 3.Department of PathologyXinhua Hospital Affiliated to Shanghai JiaoTong University School of MedicineShanghaiChina

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