This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Urology, Subject name: Surgery
[{'content': 'Which of the following is NOT associated with elevation of prostatic specific antigen? \nSelect and explain. \nA. Acute prostatitis, B. BPH, C. Prostatic intraepithelial neoplasm, D. Prostatic needle biopsy', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Prostatic Intraepithelial Neoplasia ( PIN) is a precancerous condition; not detected by rectal examination, TRUS , or MRI; does not cause rise in PSA level . It is usually identified after TURP for BPH with final histology or by prostatic biopsy.Reference: page1048 SRB&;s manual of surgery 5th edition', 'role': 'assistant'}]