How is dysmenorrhea caused by ovarian torsion diagnosed?

Updated: Sep 23, 2019
  • Author: Karim Anton Calis, PharmD, MPH, FASHP, FCCP; Chief Editor: Michel E Rivlin, MD  more...
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Because of these resemblances and the consequent potential for diagnostic uncertainty, CT is often performed before any other imaging modality. It is important to be familiar with the typical CT findings for torsion: ovarian enlargement exceeding 5 cm with a corkscrew appearance of the ipsilateral fallopian tube. [29] A sonogram will usually show a large ovarian mass or cyst, but ultrasonographic evidence of torsion is difficult to obtain, because the appearance changes depending on the length of time elapsed. [30]

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