Kidney THE UNREMARKABLE AND NONNEOPLASTIC KIDNEY Entire volumes are written on the subject of nonneoplastic renal disease,1 so this chapter will not attempt to cover medical renal disease in its…

Paratestis and External Genitalia PARATESTIS THE UNREMARKABLE PARATESTIS The paratestis and external genitalia include a number of anatomic locations and entities that are seen by genitourinary pathologists, but also encompass…

Testis THE UNREMARKABLE TESTIS ANATOMY AND HISTOLOGY The testicles are paired organs that normally descend into the scrotum, attached to the spermatic cord. Their embryologic development begins high in the…

Bladder THE UNREMARKABLE AND NONNEOPLASTIC BLADDER ANATOMY AND HISTOLOGY The urinary bladder is a hollow viscus situated in the deep pelvis, which can expand to hold up to 500 mL…

Prostate THE UNREMARKABLE AND NONNEOPLASTIC PROSTATE ANATOMY AND HISTOLOGY Since both resection specimens and needle biopsy samples from the prostate are common in surgical pathology practice, some knowledge of anatomy…