Intravesical BCG therapy-induced granulomatous prostatitis in a patient with non-muscle invasive bladder cancer and prostate adenocarcinoma

Granulomatous prostatitis (GP) is a rare inflammatory condition that may mimic prostate cancer (PC) progression. We present the case of a 64-year-old man with low-risk PC on active surveillance who developed Bacillus Calmette-Guérin (BCG)-induced GP following intravesical therapy for non-muscle inva...

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Main Authors: Ryan Yu, Qian (Janie) Qin, George K. Haines, William K. Oh, Sara Lewis
Format: Article
Language:English
Published: Elsevier 2025-05-01
Series:Urology Case Reports
Online Access:http://www.sciencedirect.com/science/article/pii/S2214442025000919
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author Ryan Yu
Qian (Janie) Qin
George K. Haines
William K. Oh
Sara Lewis
author_facet Ryan Yu
Qian (Janie) Qin
George K. Haines
William K. Oh
Sara Lewis
author_sort Ryan Yu
collection DOAJ
description Granulomatous prostatitis (GP) is a rare inflammatory condition that may mimic prostate cancer (PC) progression. We present the case of a 64-year-old man with low-risk PC on active surveillance who developed Bacillus Calmette-Guérin (BCG)-induced GP following intravesical therapy for non-muscle invasive bladder cancer. Clinical and imaging findings suggested PC progression, but biopsy confirmed granulomatous inflammation without malignancy upstaging. This case underscores the similarities in clinical presentation, as well as the importance of histopathological evaluation in differentiating GP from PC.
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issn 2214-4420
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publishDate 2025-05-01
publisher Elsevier
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series Urology Case Reports
spelling doaj-art-e06cbd654b5143b7b2cd1a2f7bdb76da2025-08-20T03:14:17ZengElsevierUrology Case Reports2214-44202025-05-016010302010.1016/j.eucr.2025.103020Intravesical BCG therapy-induced granulomatous prostatitis in a patient with non-muscle invasive bladder cancer and prostate adenocarcinomaRyan Yu0Qian (Janie) Qin1George K. Haines2William K. Oh3Sara Lewis4Icahn School of Medicine at Mount Sinai, New York, NY, USA; Corresponding author. Icahn School of Medicine at Mount Sinai, 1 Gustave L. Levy Pl, New York, NY, 10029, USA.Department of Medicine, Hematology and Medical Oncology, Icahn School of Medicine at Mount Sinai, New York, NY, USADepartment of Anatomic Pathology and Clinical Pathology, Icahn School of Medicine at Mount Sinai, New York, NY, USADepartment of Medicine, Hematology and Medical Oncology, Icahn School of Medicine at Mount Sinai, New York, NY, USADepartment of Diagnostic, Interventional and Molecular Imaging, Icahn School of Medicine at Mount Sinai, New York, NY, USAGranulomatous prostatitis (GP) is a rare inflammatory condition that may mimic prostate cancer (PC) progression. We present the case of a 64-year-old man with low-risk PC on active surveillance who developed Bacillus Calmette-Guérin (BCG)-induced GP following intravesical therapy for non-muscle invasive bladder cancer. Clinical and imaging findings suggested PC progression, but biopsy confirmed granulomatous inflammation without malignancy upstaging. This case underscores the similarities in clinical presentation, as well as the importance of histopathological evaluation in differentiating GP from PC.http://www.sciencedirect.com/science/article/pii/S2214442025000919
spellingShingle Ryan Yu
Qian (Janie) Qin
George K. Haines
William K. Oh
Sara Lewis
Intravesical BCG therapy-induced granulomatous prostatitis in a patient with non-muscle invasive bladder cancer and prostate adenocarcinoma
Urology Case Reports
title Intravesical BCG therapy-induced granulomatous prostatitis in a patient with non-muscle invasive bladder cancer and prostate adenocarcinoma
title_full Intravesical BCG therapy-induced granulomatous prostatitis in a patient with non-muscle invasive bladder cancer and prostate adenocarcinoma
title_fullStr Intravesical BCG therapy-induced granulomatous prostatitis in a patient with non-muscle invasive bladder cancer and prostate adenocarcinoma
title_full_unstemmed Intravesical BCG therapy-induced granulomatous prostatitis in a patient with non-muscle invasive bladder cancer and prostate adenocarcinoma
title_short Intravesical BCG therapy-induced granulomatous prostatitis in a patient with non-muscle invasive bladder cancer and prostate adenocarcinoma
title_sort intravesical bcg therapy induced granulomatous prostatitis in a patient with non muscle invasive bladder cancer and prostate adenocarcinoma
url http://www.sciencedirect.com/science/article/pii/S2214442025000919
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