What is the pathophysiology of ovarian torsion?

Updated: Jun 27, 2017
  • Author: Erik D Schraga, MD; Chief Editor: Eugene C Lin, MD  more...
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Answer

Ovarian torsion involves torsion of the ovarian tissue on its pedicle leading to reduced venous return, stromal edema, internal hemorrhage, and infarction with the subsequent sequelae. Ovarian cysts are 3 times more common in ovarian torsion cohorts than in the general population, and evidence suggests that ovarian cysts are very common in asymptomatic pregnant women but spontaneously resolve as the pregnancy progresses. Pregnancy is a risk factor for torsion (odds ratio: 18:1) but remains an uncommon event (0.167%). [7]


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