Diagnostic concordancy in biopsies of deceptive prostatic carcinoma (original) (raw)

Revista de investigacion clinica; organo del Hospital de Enfermedades de la Nutricion

Abstract

To explore the diagnostic concordancy of surgery pathologists in deceptive prostatic carcinoma biopsies (DPCs) purposely selected as of difficult interpretation. Ten experienced pathologists belonging to five tertiary care centers in Mexico City participated. A total of 25 slides (16 DPCs and 9 benign biopsies) were marked and circulated among the participants. They were asked to classify each slide in one of five categories ranging from carcinoma to benign hyperplasia using the criteria of Epstein. The 16 DPCs had been confirmed by immunohistochemistry studies and by review of two expert uropathologists from the MD Anderson Medical Center in Houston TX. A weighted kappa was use to evaluate the concordancy of the pathologists. The concordancy with the experts opinion ranged from substantial in one pathologist (KW = 0.77) to bad in another (KW = -0.07) and the mean kappa was 0.32. In two of the three institutions with more than one pathologist, the intrainstitucional concordancy impr...

julian arista hasn't uploaded this paper.

Let julian know you want this paper to be uploaded.

Ask for this paper to be uploaded.