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Original Articles: Prostate Cancer: Pathological Features of Hereditary Prostate Cancer

Authors
Journal
The Journal of Urology
0022-5347
Publisher
Elsevier
Publication Date
Volume
153
Issue
3
Identifiers
DOI: 10.1016/s0022-5347(01)67619-5
Disciplines
  • Biology
  • Medicine

Abstract

ABSTRACT The aim of this study was to characterize the pathological features of hereditary prostate cancer, a recently recognized variant of prostate cancer with an autosomal dominant inheritance of a rare highly penetrant gene associated with early onset of disease. We compared the histology at radical prostatectomy of clinical stage T2 prostate cancer, including its relationship to prostatic intraepithelial neoplasia, in men with a family history of prostate cancer to those without a family history of prostate cancer. Three cohorts (hereditary, familial and sporadic) were identified based on pedigree analysis. A hereditary subgroup (28 patients) met 1 of the following 3 criteria: 1) cluster of greater than 3 affected relatives within the nuclear family, 2) occurrence of prostate cancer in each of 3 generations in either the proband paternal or maternal lineage, or 3) a cluster of 2 relatives affected at an early age of less than 55 years. This subgroup was compared to an age-matched subgroup with family history of prostate cancer (26 patients) yet the aforementioned conditions for inclusion within the hereditary subgroup were not met and to a sporadic subgroup without a family history of prostate cancer (27 patients). All parameters were statistically similar among the groups except that hereditary and familial group multifocal tumors were of lower grade (p = 0.0001), sporadic cases had a greater proportion of small multifocal cancers associated with prostatic intraepithelial neoplasia (p = 0.02) and the familial group had a weaker correlation between total tumor volume and grade.

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