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Evolution of prostate cancer histopathology

Compérat, Eva

doi: 10.1097/MOU.0000000000000669
CALCULATING PROSTATE CANCER RISK, AVOIDANCE OF OVERTREATMENT IN LOCALIZED PROSTATE CANCER: Edited by Matthew R. Cooperberg and Declan G. Murphy
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Purpose of review During the last 15 years several updates in the Gleason grading have been made. With the help of pertinent research results pathologists have gained a better insight into the meanings of several prostate cancer (PCa) patterns and know better how to classify them in the Gleason grade system.

Recent findings During the last years PCa with cribriform architecture has be given much attention. Many data have also been published about the meaning of comedonecrosis and its relationship with Gleason pattern 4 and 5. The correlationship between comedonecrosis and intraductal PCa has also been highlighted in the recent literature. Intraductal PCa is one of the most described topics at the moment with implications to treatment such as radiation therapy. We also highlight several practical issues such as the differences of grading in prostate biopsies and prostatectomies and describe the problematic of reporting a minor high-grade pattern.

Summary Many new and recent data have allowed to refine diagnosis in PCa and improve the patients's treatment. We show that comedonecrosis can be overgraded and insist on the implication with cribriform and intraducatal carcinomas. Furthermore, we describe the importance of these PCa types especially in the consideration of further treatment.

Department of Pathology, Hôpital Tenon, Sorbonne University, Paris, France

Correspondence to Eva Compérat, Department of Pathology, Hôpital Tenon, Sorbonne University, Rue de la Chine, 75020 Paris, France. Tel: +33 1 56017013; e-mail: eva.comperat@aphp.fr

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