# Bidimensional Rectal-water Contrast-transvaginal Ultrasonography (2D-RWC-TVS) Versus 3D-RWC-TVS in the Diagnosis of Rectosigmoid Endometriosis

> **NCT04339946** · — · UNKNOWN · sponsor: **Ospedale Policlinico San Martino** · enrollment: 240 (actual)

## Conditions studied

- Endometriosis, Rectum
- Endometriosis of Colon

## Interventions

- **DIAGNOSTIC_TEST:** Three-dimensional rectal water contrast transvaginal ultrasonography (3D-RWC-TVS)
- **DIAGNOSTIC_TEST:** Two-dimensional rectal water contrast transvaginal ultrasonography (2D-RWC-TVS)

## Key facts

- **NCT ID:** NCT04339946
- **Lead sponsor:** Ospedale Policlinico San Martino
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** UNKNOWN
- **Start date:** 2018-01-01
- **Primary completion:** 2021-01-01
- **Final completion:** 2022-03-01
- **Target enrollment:** 240 (ACTUAL)
- **Last updated:** 2021-03-30


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04339946

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04339946, "Bidimensional Rectal-water Contrast-transvaginal Ultrasonography (2D-RWC-TVS) Versus 3D-RWC-TVS in the Diagnosis of Rectosigmoid Endometriosis". Retrieved via AI Analytics 2026-06-01 from https://api.ai-analytics.org/clinical/NCT04339946. Licensed CC0.

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