Three-dimensional saline contrast hysterosonography and surface rendering of uterine cavity pathology

Z. Weinraub, R. Maymon, A. Shulman, J. Bukovsky, A. Kratochwil, A. Lee, A. Herman

Research output: Contribution to journalArticlepeer-review

Abstract

A new technique that combines saline contrast hysterosonography with three-dimensional surface rendering for the visualization of uterine intracavitary pathologies is described. A total of 32 patients suspected of having uterine cavity pathologies on the basis of previous ultrasonography, hysterosalpingography or hysteroscopy were involved in the study. They were examined by three-dimensional high-frequency endovaginal probes (Combison 530, Kretztechnik, Zipf, Austria), with normal saline used as an expander and contrast medium. Three perpendicular planes could be evaluated simultaneously, and surface renderings were readily available. Following the instillation of normal saline, the uterine cavity appears as an echo-free, well-defined structure, and the endometrium appears as an echogenic homogeneous lining around the cavity. Data acquisition time is short and images can be stored for later evaluation. Surface rendering of polypoid structures shows echogenic masses on a pedicle protruding into the uterine cavity. Submucous fibroids appear as mixed echogenic sites bulging into the cavity. Intrauterine synechiae appear as bands of varying thickness traversing the uterine cavity. Simultaneous display of the zone of interest in three perpendicular planes enhances imaging capabilities, while surface rendering provides a comprehensive overview of the surface area of the findings and their topographical orientation. Further research using this new technique is required to document its real contribution to ultrasonographic imaging.

Original languageEnglish
Pages (from-to)277-282
Number of pages6
JournalUltrasound in Obstetrics and Gynecology
Volume8
Issue number4
DOIs
StatePublished - 1996

Keywords

  • Negative contrast medium
  • Saline contrast hysterosonography
  • Surface rendering
  • Three-dimensional ultrasound
  • Uterine cavity pathology

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