Does transvaginal ultrasonography combined with water-contrast in the rectum aid in the diagnosis of rectovaginal endometriosis infiltrating the bowel?

M. Valenzano Menada, V. Remorgida, L. H. Abbamonte, A. Nicoletti, N. Ragni, S. Ferrero

Research output: Contribution to journalArticle

67 Citations (Scopus)

Abstract

BACKGROUND: The aim of this study was to determine whether adding water-contrast in the rectum during transvaginal ultrasonography (RWC-TVS) improves the diagnosis of rectal infiltration in women with rectovaginal endometriosis. METHODS: This prospective study included 90 women, with suspect rectovaginal endometriosis, who underwent operative laparoscopy. TVS and RWC-TVS were independently performed by different investigators. RWC-TVS was performed by injecting saline solution into the rectal lumen under ultrasonographic control through a 6-mm catheter. Presence of rectovaginal nodules, presence and degree of rectal infiltration, and the largest diameter of the bowel nodules were evaluated. Ultrasonographic results were compared to surgical and histological findings. RESULTS: Although RWC-TVS had higher accuracy than TVS in diagnosing rectovaginal endometriosis, the difference between the two techniques was not statistically significant. RWC-TVS was significantly more accurate than TVS in determining the presence of endometriotic infiltration reaching at least the muscular layer of the rectal wall. The sensitivity of RWC-TVS in identifying rectal lesions was 97%, the specificity 100%, the positive predictive value 100% and the negative predictive value 91.3%. RWC-TVS caused a higher intensity of pain than TVS. CONCLUSIONS: RWC-TVS determines the presence of rectovaginal nodules infiltrating the rectal muscularis propria more accurately than TVS; RWC-TVS could be used when TVS cannot exclude the presence of rectal infiltration.

Original languageEnglish
Pages (from-to)1069-1075
Number of pages7
JournalHuman Reproduction
Volume23
Issue number5
DOIs
Publication statusPublished - May 2008

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Endometriosis
Rectum
Ultrasonography
Water
Sodium Chloride
Laparoscopy
Catheters
Research Personnel
Prospective Studies
Pain

Keywords

  • Diagnosis
  • Laparoscopy
  • Rectal endometriosis
  • Rectovaginal endometriosis
  • Transvaginal ultrasonography

ASJC Scopus subject areas

  • Physiology
  • Developmental Biology
  • Obstetrics and Gynaecology
  • Reproductive Medicine

Cite this

Does transvaginal ultrasonography combined with water-contrast in the rectum aid in the diagnosis of rectovaginal endometriosis infiltrating the bowel? / Valenzano Menada, M.; Remorgida, V.; Abbamonte, L. H.; Nicoletti, A.; Ragni, N.; Ferrero, S.

In: Human Reproduction, Vol. 23, No. 5, 05.2008, p. 1069-1075.

Research output: Contribution to journalArticle

Valenzano Menada, M. ; Remorgida, V. ; Abbamonte, L. H. ; Nicoletti, A. ; Ragni, N. ; Ferrero, S. / Does transvaginal ultrasonography combined with water-contrast in the rectum aid in the diagnosis of rectovaginal endometriosis infiltrating the bowel?. In: Human Reproduction. 2008 ; Vol. 23, No. 5. pp. 1069-1075.
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abstract = "BACKGROUND: The aim of this study was to determine whether adding water-contrast in the rectum during transvaginal ultrasonography (RWC-TVS) improves the diagnosis of rectal infiltration in women with rectovaginal endometriosis. METHODS: This prospective study included 90 women, with suspect rectovaginal endometriosis, who underwent operative laparoscopy. TVS and RWC-TVS were independently performed by different investigators. RWC-TVS was performed by injecting saline solution into the rectal lumen under ultrasonographic control through a 6-mm catheter. Presence of rectovaginal nodules, presence and degree of rectal infiltration, and the largest diameter of the bowel nodules were evaluated. Ultrasonographic results were compared to surgical and histological findings. RESULTS: Although RWC-TVS had higher accuracy than TVS in diagnosing rectovaginal endometriosis, the difference between the two techniques was not statistically significant. RWC-TVS was significantly more accurate than TVS in determining the presence of endometriotic infiltration reaching at least the muscular layer of the rectal wall. The sensitivity of RWC-TVS in identifying rectal lesions was 97{\%}, the specificity 100{\%}, the positive predictive value 100{\%} and the negative predictive value 91.3{\%}. RWC-TVS caused a higher intensity of pain than TVS. CONCLUSIONS: RWC-TVS determines the presence of rectovaginal nodules infiltrating the rectal muscularis propria more accurately than TVS; RWC-TVS could be used when TVS cannot exclude the presence of rectal infiltration.",
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