参考文献
1. Nishizawa T, Kobayashi D, Uematsu H, Taguchi T. Ultrasonographic 'Whirlpool Sign' in Testicular Torsion. BMJ Case Rep. 2021;14(5):e241638. doi:10.1136/bcr-2021-241638 - Pubmed
2. McDowall J, Adam A, Gerber L et al. The Ultrasonographic "Whirlpool Sign" in Testicular Torsion: Valuable Tool or Waste of Valuable Time? A Systematic Review and Meta-Analysis. Emerg Radiol. 2018;25(3):281-92. doi:10.1007/s10140-018-1579-x - Pubmed