'Triangle sign': novel and needed supplement to sliding sign for evaluation of obliterated cul-de-sac in patients with retroverted uterus

Ido Mick, M Marien, Mathew Leonardi, M. Leonardi
Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology · 2023 · vol. 63(5) , pp. 702–703 · doi:10.1002/uog.27555 · PMID:38051118 · W4389336028
Other OA: bronze CC0 ⤵ 5 in-corpus citations
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⚙ AI-generated summary by gemini-2.5-flash-lite, 2026-06-13 ⓘ

This paper introduces and demonstrates the "triangle sign" as a novel and useful supplement to the sliding sign for assessing cul-de-sac obliteration in retroverted uteri.

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Abstract

Videoclip S1. A presentation of the triangle sign and a comprehensive guide on its execution and significance. Videoclip S2. A demonstration of a negative triangle sign with surgical confirmation. Please note: The publisher is not responsible for the content or functionality of any supporting information supplied by the authors. Any queries (other than missing content) should be directed to the corresponding author for the article.

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MeSH descriptors

Uterine Retroversion Uterine Retroversion Adult Douglas' Pouch Douglas' Pouch Female Humans Pregnancy Ultrasonography Uterus Uterus Uterus

Citation neighborhood (sparse)

Too few in-corpus citations on either side for a chart; here are the lists.

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openalex
last seen: 2026-06-10T17:14:06.276822+00:00
pubmed
last seen: 2026-10-08T21:42:09.747210+00:00
License: CC0 · commercial use OK