Reproductive Quiz #34, Penile and Prostate Pathology  

1. A 65-year-old man presents to his physician with difficulty urinating and a decreased stream. Digital rectal examination reveals an enlarged, firm prostate. Serum PSA levels are elevated. A biopsy of the prostate is performed, and histology reveals small glands infiltrating between larger benign glands. Which of the following is the most likely diagnosis? 

Question 1 of 5

2. A 55-year-old man presents with a painless ulcer on the glans penis that has not healed for 2 months. Biopsy of the lesion shows invasive squamous cell carcinoma. Which of the following risk factors is most strongly associated with this condition?

Question 2 of 5

3. A 70-year-old man presents with nocturia, urinary frequency, and difficulty initiating urination. Physical examination reveals an enlarged, nodular prostate. Biopsy of the prostate shows glandular epithelial proliferation with two cell layers and papillary infoldings. Which of the following is the most accurate diagnosis?

Question 3 of 5

4. A 60-year-old man with a history of prostate cancer treated with radical prostatectomy 5 years ago now presents with bone pain. Imaging studies reveal osteoblastic lesions in the vertebrae. Which of the following is the most likely cause of these findings?

Question 4 of 5

5. A 25-year-old man presents with a painless mass on his testicle that he discovered two weeks ago. Ultrasound of the testicle shows a solid mass, and serum tumor marker analysis reveals elevated levels of human chorionic gonadotropin (hCG). A biopsy of the mass is performed, and histopathology shows sheets of uniform cells with clear cytoplasm and central nuclei. Which of the following is the most likely diagnosis? 

Question 5 of 5


 

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