Case 1: No PTEN loss – PCNB

Case 2: No PTEN loss – PCNB

Case 3: 5% PTEN loss – PCNB

Case 4: 10% PTEN loss – PCNB

Case 5: 10% PTEN loss – PCNB

Case 6: 25% PTEN loss – PCNB

Case 7: 55% PTEN loss – PCNB

Case 8: 100% PTEN loss – PR

Case 9: 100% PTEN loss – PCNB

IHC, immunohistochemistry; PCNB, prostate core needle biopsy; PR, prostate resection; PTEN, phosphatase and tensin homolog.