The double bladder sign: Challenges in early sonographic diagnosis of ovarian torsion

Pseudobladder Sign: A Sign but Not Pseudosign

“…It is a “sign” as it makes an inference about the underlying disease and provides a method that assists in diagnosis. In contrast, the “double-bladder sign” indicates that the urinary bladder and ovarian cysts are anechoic on ultrasound (4) , (5) . Therefore, it would be accurate, although the author did not call it such, to refer to this as a “pseudo double-bladder” as both structures appear similar on ultrasound.…”