Torsion of the Spermatic Cord: Sonographic DiagnosisPrando, Décio M.D.Ultrasound Quarterly: March 2002 - Volume 18 - Issue 1 - pp 41-57 Article Abstract Author Information This article describes the ultrasound guidelines for evaluating patients with spermatic cord torsion, including gray-scale, Doppler with spectral analysis, and color and power Doppler sonography. The sonographic and Doppler features of acute, subacute, and chronic torsion of the spermatic cord are demonstrated and discussed. Radiologist, Unidade Radiologica Paulista Säo Paulo, Säo Paulo, Brazil The author has disclosed that he has no significant relationship with or financial interest in any commercial companies pertaining to this educational activity. Address correspondence and reprint requests to Décio Prando, M.D., Unidade Radiologica Paulista, Avenida Republica do Libano, 990 Säo Paulo, Säo Paulo, 04502-001, Brazil. E-mail: Dprando@urp.com.br OR Dprando@sti.com.br. © 2002 Lippincott Williams & Wilkins, Inc.