Presentation An eight-year-old male intact German Shepherd presents for hematuria. Photo courtesy Dr. Kendra Freeman Challenge 1) The most common type of prostatic neoplasia is carcinoma. a) True. Ninety-eight percent of masses are carcinomas (transitional cell carcinoma, adenocarcinoma, or squamous cell carcinoma). b) False 2) Most canine prostatic neoplasms are hormone responsive, and castration is a major component of treatment. a) True b) False. Most canine prostatic tumors are not androgen responsive. Most patients are already castrated at presentation. 3) Which of the following are common presenting clinical signs associated with canine prostatic masses? a) Weight loss b) Tenesmus c) Pelvic limb weakness/lameness d) Urinary symptoms e) All of the above Reference Veterinary Society of Surgical Oncology (2025, July 31) https://vsso.org/prostate-tumors