Adnexal torsion

The suspicion for adnexal torsion is a clinical one. Sonography should help confirm the suspicion and lead to prompt surgical treatment.

Characteristics of adnexal torsion include:

  • Presence of ovarian cyst/tumor, or parovarian cyst or hydrosalpinx
  • Edematous ovary and/or tube with increased intrafollicular distance and/or follicular halos
  • Abnormal or absent doppler flow inside the ovary
  • The whirlpool sign

An adnexal torsion may considerably change its original anatomic position


  • Auslender, R., Shen, O., Kaufman, Y., Goldberg, Y., Bardicef, M., Lissak, A. and Lavie, O. (2009), Doppler and gray-scale sonographic classification of adnexal torsion. Ultrasound Obstet Gynecol, 34: 208–211. doi:10.1002/uog.6369
  • Bardin R, Perl N, Mashiach R et al. Prediction of Adnexal Torsion by Ultrasound in Women with Acute Abdominal Pain. Ultraschall in der Medizin – European Journal of Ultrasound 2019 (efirst). doi:10.1055/a-1014-2593

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