Q71) A 65 y/o African American man is brought by his daughter to you and requests a PSA test because there is a hx of prostate ca in their family. You perform PSA and DRE. DRE does not reveal any palpable mass. The lab test reveal : PSA : 9ng/ml, Free PSA: 0.5ng/ml. You reveal the results to patient and his daughter. The daughter asks you if her father has a cancer. Your best response is :
A) The PSA level increases with age and your father’s PSA is in the age-appropriate range
B) PSA level is very nonspecific and your father does not have a cancer
C) The fact that the free PSA is only 0.5ng/ml as opposed to a bound of 8.5 indicates that your father has a 50% probability of finding a prostate cancer on needle biopsy
D) PSA will not help in diagnosing carcinoma prostate
E) I did this test only because you requested for it, I do not think this results mean anything.