Fig. 1A.47-year-old woman with pelvic pain. Sagittal sonogram of
right kidney acquired at community-based imaging center shows hypoechoic
lesion (arrow) in middle third of kidney.
Fig. 2.21-year-old-man with right testicular pain. Transverse
sonogram of testes acquired at community-based imaging center shows focal
hypoechoic lesion (arrow) that was not replicated on real-time
scanning by radiologist at academic medical center 3 months later (not
shown).