《英文msh词典》Prostatic Intraepithelial Neoplasms
[入口词] Prostatic Intraepithelial Neoplasms
[主题词] Prostatic Intraepithelial Neoplasia
[英文释义] A premalignant change arising in the prostatic epithelium,regarded as the most important and most likely precursor of prostatic adenocarcinoma. The neoplasia takes the form of an intra-acinar or ductal proliferation of secretory cells with unequivocal nuclear anaplasia,which corresponds to nuclear grade 2 and 3 invasive prostate cancer.