Test your knowledge with this week’s #ISUOGEducation quiz: The Whirlpool sign represents the twisted vascular pedicle and consists of a round hyperechoic structure with multiple concentric hyperechoic strips with a target appearance. Absence of blood flow in the twisted pedicle is predictive of: a) Vascularized ovarian parenchyma b) Lymphatic obstruction c) Non-viability of the ovary d) Necrosis Join us on 24th Feb for our first hybrid education course on 'Emergency gynecology’ https://bit.ly/41