A 68-year-old male presents to your office complaining of difficulty urinating. His past medical history is significant for prostate cancer treated with radiation therapy one year ago. Ultrasonography reveals bilateral dilation of the ureters and renal calyces. If related to the previous therapy, which of the following is the most likely cause of this patient's current condition?

Question

A 68-year-old male presents to your office complaining of difficulty urinating.  His past medical history is significant for prostate cancer treated with radiation therapy one year ago.  Ultrasonography reveals bilateral dilation of the ureters and renal calyces.  If related to the previous therapy, which of the following is the most likely cause of this patient's current condition?

Quizplus · Accepted Answer

Eductional Objective: Fibrosis and strictures are late effects of radiation therapy.  Radiotherapy for prostate cancer may lead to urethral fibrosis and result in obstructive uropathy.

A 68-Year-Old Male Presents to Your Office Complaining of Difficulty