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. Author manuscript; available in PMC: 2014 Dec 1.
Published in final edited form as: J Pediatr Urol. 2012 Oct 6;9(6):10.1016/j.jpurol.2012.08.012. doi: 10.1016/j.jpurol.2012.08.012

FIGURE 1.

FIGURE 1

Whirlpool sign seen by Doppler ultrasound indicating the presence of the supercoiled spermatic cord involved in testicular torsion. (Photo from S. Boopathy Vijayaraghavan, MD)