PCA3 mRNA to PSA mRNA Ratio Measurement

**Semantic type:** Laboratory Procedure

**Definition:** The determination of the ratio of prostate cancer antigen 3 mRNA as compared to the total prostate specific antigen mRNA present in a sample. The measurement may be expressed as a ratio or percentage.

**Synonyms:** - PC3MPSAM - PCA3 mRNA/PSA mRNA - PCA3 mRNA/PSA mRNA