Ovarian cyst radiology

Publicationdate

In this review the imaging features of normal ovaries and the most common ovarian cystic masses are presented.
In Ovarian Cystic Masses Part I a roadmap for the diagnostic workup and management of ovarian cystic masses is presented based on the findings of ultrasound and MRI.

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premenopausal

The normal ovary contains over two million primary oocytes at birth, about 10 of which mature each menstrual cycle.

Of the 10 Graafian follicles that begin to mature, only one becomes the dominant follicle and grows to a size of 18-20 mm by mid-cycle, when it ruptures to release the oocyte.

Why do i need a ct scan for ovarian cyst

The other nine follicles become atretic and fibrous.
After release of the oocyte, the dominant follicle collapses, and the granulosa cells in the inner lining proliferate and swell to form the corpus luteum of menstruation.

Over the course of 14 days the corpus luteum degenerates, leaving the small scarred corpus albicans.