1. Figure 6: An 84-year-old male presented with three days of worsening scrotal pain. Transverse sonogram of the testis shows a high-resistance arterial waveform with no diastolic flow, suggesting infarction. No venous flow could be detected. Patient was found to have a venous thrombosis and was discovered to be protein S deficient. Reproduced with permission from Dogra VS, Rubens DJ, Gottlieb RH, Bhatt S. Torsion and Beyond: New Twists in Spectral Doppler Evaluation of the Scrotum. J Ultrasound Med. 2004;23(8):
(These figures are reproduced with permission from Allison Forrest, Akshaar Brahmbhatt, Vikram Dogra. Decreased Blood Flow in the Testis: Is it Testicular Torsion?. Am J Sonogr (13) 1-7)