cause of torsion
Causes of Ovarian Torsion. 1  Congenital and developmental abnormalities, such as, increased length of the fallopian tube or absent mesosalpinx. 2  Spasms or congestion in the blood vessels of the mesosalpinx. 3  Other medical condition such as fibromas or ovarian cysts, tumors of the ovary or tubes. 4  Injury or trauma to the ovaries or the fallopian tubes.