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Related Experiment Videos

The shadow of the intrauterine device.

Dan Vadim Valsky1, Sarah M Cohen, Drorith Hochner-Celnikier

  • 1Department of Obstetrics and Gynecology, Hadassah University Hospital-Mount Scopus, PO Box 24035, Jerusalem IL-91240, Israel.

Journal of Ultrasound in Medicine : Official Journal of the American Institute of Ultrasound in Medicine
|April 25, 2006
PubMed
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Volume contrast imaging in the C plane (VCI-C) improves visualization of intrauterine devices (IUDs) when standard ultrasound is insufficient. This technique aids in identifying IUD position and type, even in complex cases.

Area of Science:

  • Radiology and Imaging
  • Women's Health
  • Obstetrics and Gynecology

Background:

  • Intrauterine devices (IUDs) are common, effective contraceptives with potential complications like bleeding and pain.
  • Transvaginal ultrasonography is used to assess IUD placement and complications.
  • Three-dimensional ultrasonography (3DUS) enhances pelvic organ imaging but can struggle with complete IUD visualization due to echogenicity and location variability.

Purpose of the Study:

  • To evaluate the utility of 3DUS with volume contrast imaging in the C plane (VCI-C) for visualizing intrauterine devices (IUDs).
  • To determine if VCI-C can overcome limitations of standard 2D ultrasonography in IUD assessment.
  • To explore VCI-C's role in diagnosing IUD-related complications and anatomical variations.

Main Methods:

Related Experiment Videos

  • Evaluated over 30 women using 3DUS and VCI-C for IUD placement assessment.
  • Included routine follow-ups and cases with symptoms such as irregular bleeding, pelvic pain, or suspected pregnancy.
  • Focused on VCI-C's ability to visualize IUD acoustic shadows for improved identification.

Main Results:

  • VCI-C successfully visualized IUD acoustic shadows in cases where 2D ultrasonography was inadequate.
  • The technique provided more precise imaging of IUD type and location.
  • A case demonstrated diagnosis of a bicornuate uterus with a pregnancy in one horn and an IUD in the other using VCI-C.

Conclusions:

  • VCI-C is a valuable tool for improving IUD visualization, especially in challenging cases.
  • Visualizing the IUD's acoustic shadow with VCI-C offers an effective adjunctive imaging approach.
  • This modality enhances diagnostic accuracy for IUD position, type, and associated pelvic conditions.