How do ovarian cysts cause pelvic pain?

Moderate sized cysts may undergo torsion (twisting) and this cuts off their blood supply causing acute pain. Bleeding into an ovarian cyst, even a physiological cyst, can be the cause of pain. A cyst may rupture (burst) releasing blood or fluid that irritates the peritoneum (peritonism 6). Some of the clinical manifestations of peritonism, notably pain and tenderness may be similar to those found in peritonitis (inflammation of the peritoneum). Peritonitis, which is a dangerous condition, has the additional evidence of infection including an elevated temperature and a high white blood cell count. An endometrioma (a collection of old blood associated with endometriosis - 18) can be associated with pain, although at times even large collections may be pain free.

Women's Health

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