Prostatic intraepithelial neoplasia (PIN) is composed of dysplastic cells with a luminal cell phenotype, expressing the androgen receptor as well as prostate specific antigen. PIN is characterized by progressive abnormalities of phenotype which are intermediate between normal prostatic epithelium (NP) and cancer, indicating impairment of cell differentiation and regulatory control with advancing stages of carcinogenesis. High-grade PIN is considered the most likely precursor of prostatic carcinoma (PCa), according to virtually all available evidence. Androgen deprivation decreases the prevalence and extent of PIN and the degree of capillary vascularization (e.g., angiogenesis) in the surrounding stroma via the suppression of vascular endothelial growth factor (VEGF) production. It is likely that PCa might also arise from precursor lesions other than high-grade PIN (low-grade PIN, atypical adenomatous hyperplasia, malignancy-associated foci, and atrophy).

Prostatic intraepithelial neoplasia and prostate cancer / Montironi, Rodolfo; Santinelli, Alfredo; Mazzucchelli, Roberta. - In: PANMINERVA MEDICA. - ISSN 0031-0808. - 44(3):(2002), pp. 213-220.

Prostatic intraepithelial neoplasia and prostate cancer.

MONTIRONI, RODOLFO;SANTINELLI, ALFREDO;MAZZUCCHELLI, Roberta
2002-01-01

Abstract

Prostatic intraepithelial neoplasia (PIN) is composed of dysplastic cells with a luminal cell phenotype, expressing the androgen receptor as well as prostate specific antigen. PIN is characterized by progressive abnormalities of phenotype which are intermediate between normal prostatic epithelium (NP) and cancer, indicating impairment of cell differentiation and regulatory control with advancing stages of carcinogenesis. High-grade PIN is considered the most likely precursor of prostatic carcinoma (PCa), according to virtually all available evidence. Androgen deprivation decreases the prevalence and extent of PIN and the degree of capillary vascularization (e.g., angiogenesis) in the surrounding stroma via the suppression of vascular endothelial growth factor (VEGF) production. It is likely that PCa might also arise from precursor lesions other than high-grade PIN (low-grade PIN, atypical adenomatous hyperplasia, malignancy-associated foci, and atrophy).
2002
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11566/70580
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