Sonography of a three day old testicular rupture: on the right half of the picture, it shows an intact Tunica albuginea, the testicular tissue appears to be homogenous. On the left half of the picture, the Tunica cannot be shown anymore, the (protruding) testicular tissue shows to be inhomogenous.
Source and further information: http://www.urologielehrbuch.de/hodenverletzung.html