Differential Diagnosis of raised PSA: Prostatitis (acute and chronic) - often rapid rise to 30 ng/ml; BPH - moderate slow rise over time, unlikely above 10; Prostate Cancer - the higher the more likely: 4-10 = 40% chance of cancer, .10 = 67% chance of cancer, > 20 suggests metastatic disease.
MoH taskforce recommends referral for any level above 4.0 ng/ml, however as your patient is above the age related upper limit we strongly recommend repeat testing and if the raised level is sustained refer for Urological opinion, query Biopsy.
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