1. Perineal-guided endoscopic extraction of ejaculatory duct stones to treat obstructive azoospermia 
Vincenzo Favilla, M.D., Sebastiano Cimino, M.D., Massimo Madonia, M.D., Tommaso Castelli, M.D., Giuseppe Sortino, M.D., Marco Russo, M.D., Giuseppe Morgia, M.D. 
Fertility and Sterility 
Volume 95, Issue 7, Pages 2430.e e14 (June 2011)
DOI: /j.fertnstert
Copyright © 2011 American Society for Reproductive Medicine Terms and Conditions

2. Figure 1
Transrectal ultrasound scan shows a stone with a dilated left ejaculatory duct.
Fertility and Sterility  , 2430.e e14DOI: ( /j.fertnstert )
Copyright © 2011 American Society for Reproductive Medicine Terms and Conditions

3. Figure 2
Magnetic resonance imaging shows the dilated deferent duct and a stone at 2.5 cm from the beginning of the distal deferent duct.
Fertility and Sterility  , 2430.e e14DOI: ( /j.fertnstert )
Copyright © 2011 American Society for Reproductive Medicine Terms and Conditions