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Heo, Kim, Han, Ahn, Kim, and Kim: Localized Amyloidosis of the Prostate
Case Report
Korean Journal of Urology

Korean Journal of Urology 2006; 47(6): 667-669.

Published online: 30 June 2006

DOI: https://doi.org/10.4111/kju.2006.47.6.667

Localized Amyloidosis of the Prostate

Yong Seon Heo, Ki Hoon Kim, Jae Ho Han1, Byung Cheol Ahn, Young Kyun Kim, 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 (sejoong@ajou.ac.kr)

Received 7 February 2006       Accepted 31 March 2006

Copyright © 2006 The Korean Urological Association

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 and Tables

Fig. 1
Microscopic finding of the specimen shows subepithelial deposition of amorphous, eosinophilic materials in the prostate (H&E, ×200).
kju-47-667-g001
Fig. 2
(A) Congo red-stained section of the prostate (×200). (B) Polarized light microscopy of section A disclosing an apple-green birefringence (×200).
kju-47-667-g002

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