(a) Solid Haygrove sound. (b) After dissection of the obliterative scar, the tip of the sound (placed through the suprapubic tract) can then be advanced through the patent proximal urethra into the perineum. (c) Temporary vesicostomy in a patient with a laterally placed suprapubic tube. (d) Gelman visualizing posterior urethral sound. (e) Flexible scope advanced through the hollow visualizing sound.