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

This article discusses the importance of proper ultrasound evaluation in patients with possible endometriosis, particularly those with a retroverted uterus. The sliding sign, a commonly used ultrasound tool, may have limited effectiveness in identifying an obliterated cul-de-sac in these patients. The authors propose a new technique called the "triangle sign" as a supplement to the sliding sign. This technique involves visualizing a triangle-shaped accumulation of peritoneal fluid in a non-obliterated cul-de-sac. Further studies are needed to evaluate the diagnostic accuracy and reliability of this technique. [Extracted from the article]

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