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    Korean J Urol. 2006 Jun;47(6):667-669. Korean.
    Published online Jun 30, 2006.
    https://doi.org/10.4111/kju.2006.47.6.667
    Copyright © 2006 The Korean Urological Association
    Case Report

    Localized Amyloidosis of the Prostate

    Yong Seon Heo, Ki Hoon Kim, Jae Ho Han,1 Byung Cheol Ahn, Young Kyun Kim and Se Joong Kim
      • Department of Urology, Ajou University School of Medicine, Suwon, Korea.
      • 1Department of Pathology, Ajou University School of Medicine, Suwon, Korea.
    • Corresponding author (Email: sejoong@ajou.ac.kr )
    Received February 07, 2006; Accepted March 31, 2006.

    Abstract

    The increasing number of prostatic biopsies, performed for the investigation of patients at risk of prostate cancer, will result in the more frequent identification of uncommon forms of prostatic pathology. Amyloidosis is a disease characterized by the extracellular deposition of insoluble amyloid fibrils, and may be either systemic or localized. Localized amyloidosis of the prostate is very rare. Herein, we report the case of a 34-year-old man with localized amyloidosis of the prostate, which was found via a transrectal ultrasound-guided prostatic biopsy due to an increased serum prostate-specific antigen level.

    Keywords
    Prostate; Amyloidosis; Biopsy; Prostate-specific antigen

    Figures

    Fig. 1
    Microscopic finding of the specimen shows subepithelial deposition of amorphous, eosinophilic materials in the prostate (H&E, ×200).

    Fig. 2
    (A) Congo red-stained section of the prostate (×200). (B) Polarized light microscopy of section A disclosing an apple-green birefringence (×200).

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    MeSH Terms
    Adult
    Amyloid
    Amyloidosis*
    Biopsy
    Humans
    Pathology
    Prostate*
    Prostate-Specific Antigen
    Prostatic Neoplasms
    Metrics
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