Photomicrograph of bone biopsy with metastatic prostate adenocarcinoma Photomicrograph of bone biopsy with metastatic prostate adenocarcinoma. (A) H&E staining and (B) positive immunostaining for PSA (brown color). Source: Urologic Pathology of the, Lower Urinary Tract, Male GU System and Kidney, Pathology: A Modern Case Study Citation: Reisner HM. Pathology: A Modern Case Study; 2015 Available at: http://accessmedicine.mhmedical.com/DownloadImage.aspx?image=/data/books/1569/rei_ch13_f039ab.png&sec=95970652&BookID=1569&ChapterSecID=95970491&imagename= Accessed: January 01, 2018 Copyright © 2018 McGraw-Hill Education. All rights reserved