MRI
Large left ovarian mass of retrovesical location. It elicits a complex signal intensity, the main components are of fatty signal attenuated on fat-suppressed sequences, containing small fatty nodules "floating balls sign". No enhancement seen on the postcontrast sequences.
Evidence of twisted thickened vascular pedicle of the left ovary well-visualised on all sequences.
A small amount of free fluid is seen in the Douglas pouch.
Normal appearance of the uterus and right ovary.