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Intracervical sonographic-pathologic correlation: preliminary results.

Theodore J Dubinsky1, Susan D Reed, Verena Grieco

  • 1Department of Radiology, University of Washington, Seattle, Washington, USA.

Journal of Ultrasound in Medicine : Official Journal of the American Institute of Ultrasound in Medicine
|January 14, 2003
PubMed
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Current endoluminal ultrasound technology can visualize cervical dysplasia and cancer. This imaging technique shows promise for surgical planning, though improved transducer sterilization is needed for widespread clinical use.

Area of Science:

  • Gynecologic Oncology
  • Medical Imaging
  • Diagnostic Ultrasound

Background:

  • Cervical cancer screening relies on Papanicolaou tests and colposcopy.
  • Accurate visualization of cervical lesions is crucial for effective treatment planning.
  • Endoluminal ultrasound technology offers potential for high-resolution imaging within anatomical cavities.

Purpose of the Study:

  • To evaluate the capability of current endoluminal ultrasonic transducer technology in visualizing dysplastic and malignant cervical lesions.
  • To assess the diagnostic accuracy and interobserver reliability of intracervical sonography.

Main Methods:

  • Intracervical sonography was performed using a 20-MHz annular array intravascular transducer.
  • 28 women were included: 24 with abnormal Papanicolaou test results and 4 without abnormalities.

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  • Sonographic findings were correlated with pathologic results using Pearson correlation and interobserver variation was assessed using kappa statistics.

    • Main Results:

    • Intracervical sonography visualized 19 of 24 women with proven cervical disease.
    • Visible lesions included two carcinomas (5 and 7 mm diameter) and dysplastic lesions.
    • A high correlation (0.87) was found between sonographic and pathologic findings, with good interobserver agreement (kappa = 0.75).

    Conclusions:

    • Intracervical sonography effectively visualized dysplastic lesions and cervical carcinomas.
    • The resolution and interobserver agreement suggest clinical applicability, particularly for surgical planning.
    • Further development, including easily sterilizable transducers, is needed for routine clinical feasibility.