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Inflammation, Focal Atrophic Lesions, and Prostatic Intraepithelial Neoplasia with Respect to Risk of Lethal Prostate Cancer
Örebro University Hospital.
University of Bologna.
Örebro University Hospital.
Harvard University.
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2011 (English)In: Cancer Epidemiology, Biomarkers and Prevention, ISSN 1055-9965, E-ISSN 1538-7755, Vol. 20, no 10, 2280-2287 p.Article in journal (Refereed) Published
Abstract [en]

Background: A challenge in prostate cancer (PCa) management is identifying potentially lethal disease at diagnosis. Inflammation, focal prostatic atrophy, and prostatic intraepithelial neoplasia (PIN) are common in prostate tumor specimens, but it is not clear whether these lesions have prognostic significance. less thanbrgreater than less thanbrgreater thanMethods: We conducted a case-control study nested in a cohort of men diagnosed with stage T1a-b PCa through transurethral resection of the prostate in Sweden. Cases are men who died of PCa (n = 228). Controls are men who survived more than 10 years after PCa diagnosis without metastases (n = 387). Slides were assessed for Gleason grade, inflammation, PIN, and four subtypes of focal prostatic atrophy: simple atrophy (SA), postatrophic hyperplasia (PAH), simple atrophy with cyst formation, and partial atrophy. We estimated OR and 95% CI for odds of lethal PCa with multivariable logistic regression. less thanbrgreater than less thanbrgreater thanResults: Chronic inflammation and PIN were more frequently observed in tumors with PAH, but not SA. No specific type of atrophy or inflammation was significantly associated with lethal PCa overall, but there was a suggestion of a positive association for chronic inflammation. Independent of age, Gleason score, year of diagnosis, inflammation, and atrophy type, men with PIN were 89% more likely to die of PCa (95% CI: 1.04-3.42). less thanbrgreater than less thanbrgreater thanConclusion: Our data show that PIN, and perhaps presence of moderate or severe chronic inflammation, may have prognostic significance for PCa. less thanbrgreater than less thanbrgreater thanImpact: Lesions in tumor adjacent tissue, and not just the tumor itself, may aid in identification of clinically relevant disease.

Place, publisher, year, edition, pages
American Association for Cancer Research , 2011. Vol. 20, no 10, 2280-2287 p.
National Category
Medical and Health Sciences
URN: urn:nbn:se:liu:diva-72140DOI: 10.1158/1055-9965.EPI-11-0373ISI: 000295717900034OAI: diva2:457506
Funding Agencies|Department of Defense|PC060389|DF/HCC|NIH/NCIP50 CA90381|Prostate Cancer Foundation||Swedish Cancer Society|CAN2006/1341|Available from: 2011-11-18 Created: 2011-11-18 Last updated: 2011-11-29

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Varenhorst, Eberhard
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UrologyFaculty of Health SciencesDepartment of Urology in Östergötland
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Cancer Epidemiology, Biomarkers and Prevention
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