Low grade intraepithelial lesion of prostate

**Definition:** A condition of the prostate, caused by an alteration or mutation in cell growth, or prostatic epithelial cells that are dividing more rapidly than normal epithelium. This condition is characterised by premalignant transformation and abnormal development of the prostatic epithelial tissue.

**Inclusions:** - Low grade prostatic intraepithelial neoplasia

**Exclusions:** - PIN III - high grade PIN - high grade dysplasia of prostate