This week's #ISUOGEducation Quiz is here! Ultrasound is considered a first line examination for adenexal torsion. The typical ultrasound features of adnexal torsion include: whirlpool sign, stromal ovarian edema, and follicular ring sign. Choose the correct statement: a) The presence of ovarian artery blood flow excludes the possibility of adnexal torsion. b) The Whirlpool sign represents the twisted vascular pedicle and consists of a round hyperechoic structure with multiple concentric hyperech