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 : 8ng/ml, Free PSA: 1.5ng/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 1.5ng/ml as opposed to a bound of 6.5 indicates that your father most likely has a cancer etiology rather than benign cause
D) PSA will not help in diagnosing carcinoma prostate
E) I did this test only because you requested for it, I don’t think this results mean anything.
c
c
C
More psa is bound more the chances of the bad tumor.
greater than 25% free PSA of total s/o benign pathology.
C
The risk of cancer increases if the free to total ratio is less than 25%
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