What type of surgery involves the urinary and male reproductive systems?

Urological surgery is specifically focused on the diagnosis and treatment of conditions affecting the urinary tract and the male reproductive system. This specialty encompasses a range of procedures, including surgeries for kidney stones, prostate issues, bladder problems, and other related disorders. Urologists are trained to handle both surgical and non-surgical treatments for these organs, ensuring that patients receive comprehensive care.

The other options refer to different surgical specialties. Cardio-thoracic surgery deals with the heart, lungs, and other thoracic organs; gynecological surgery focuses on women's reproductive systems; and hernia repairs pertain to the surgical correction of hernias, which can be in various parts of the body but are not specific to urology. Thus, urological surgery is the correct choice as it directly addresses the urinary and male reproductive systems.