OC04.03: Ultrasound and histopathologic correlation of ovarian cystadenofibromas: the pathognomonic "shadow sign". (15th October 2018) - Timor‐Tritsch, I.E.; Yoon, E.; Monteagudo, A.; Giaffarano, J.; Brandon, C.; Mittal, K.; Arslan, A.; Boyd, L.; Wallach, R.