Testicular Regression Syndrome
Section Editor: Dharam M. Ramnani, MD
Virginia Urology, Richmond, VA, USA
Image Description
Besides hemosiderin and dystrophic calcification, arterious and venous vessels, adipose tissue, and nerves may be present in the testicular remnant. Most cases of monorchidism result from a vascular lesion or intrauterine torsion compromising circulation in the developing gonads.