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Mayo General Hospital, which has dispatched a letter to all doctors who requested the prostate-specific antigen (PSA) test between July 6, 2012 and June 25, 2013 advising them about the international field safety notice.

The statement continued: “It is important to note that this testing is a first step to diagnosis. The National Prostate Cancer GP referral guidelines state that patients with an abnormal PSA result should have a repeat PSA at six weeks. A clinical prostate assessment to include a digital rectal examination and the second PSA test is therefore undertaken prior to biopsy in order to confirm the diagnosis and initiate treatment if required.”

Patients who had tests carried out at Mayo General Hospital to determine whether they had prostate cancer or not may have received inaccurate results, it has been revealed.