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Peritoneocele: visualization with defecography and peritoneography performed simultaneously

S Bremmer1, A Mellgren, B Holmström

  • 1Department of Diagnostic Radiology, Karolinska Institutet, Danderyd Hospital, Danderyd, Sweden.

Radiology
|February 1, 1997
PubMed
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Defecoperitoneography, a combined imaging technique, effectively visualizes the rectovaginal space, identifying peritoneoceles as the cause of unexplained widening in most patients during defecation.

Area of Science:

  • Pelvic floor imaging
  • Gastrointestinal radiology
  • Surgical anatomy

Background:

  • Unexplained widening of the rectovaginal space can be challenging to diagnose using conventional defecography.
  • Peritoneal anatomy and dynamics during defecation are crucial for understanding pelvic floor abnormalities.

Purpose of the Study:

  • To evaluate the diagnostic utility of simultaneous defecography and peritoneography (defecoperitoneography).
  • To assess the cause of unexplained rectovaginal space widening identified on defecography.

Main Methods:

  • Twenty-two patients with unexplained rectovaginal space widening underwent defecoperitoneography.
  • This technique combined defecography with intraperitoneal administration of water-soluble contrast medium.

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Main Results:

  • Defecoperitoneography successfully visualized peritoneal outlines and movements during defecation.
  • Peritoneocele was identified as the cause of unexplained widening in 20 out of 22 patients (completely in 14, partially in 6).
  • Enterocele was present in only 9 patients; various types of peritoneocele were observed.

Conclusions:

  • Defecoperitoneography offers improved visualization of the pelvic floor compared to defecography alone.
  • The technique is valuable for diagnosing peritoneoceles contributing to rectovaginal space widening.