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Abstract #0266

Clinically Significant Prostate Cancer Following Negative Biopsies for PIRADS 4 and 5 Lesions: A Multicenter Study

Evie Nguyen1, Imon Banerjee1,2, Meghana Nadella1, Jacob Varner3, Naoki Takashashi4, Jordan LeGout5, Melissa Stanton1, Daniel Frendl1, Haider Abdul-Mush1, and Nelly Tan1
1Mayo Clinic AZ, Phoenix, AZ, United States, 2Arizona State University, Phoenix, AZ, United States, 3Mayo Clinic AZ, Phenix, AZ, United States, 4Mayo Clinic Rochester, Rochester, MN, United States, 5Mayo Clinic FL, Jacksonville, FL, United States

Synopsis

Keywords: Prostate, Cancer, prostate cancer, discordant radiology pathology

Motivation: To understand the risk of clinically significant prostate cancer (csPCa) in patients with negative biopsies for PIRADS categories 4 and 5 lesions, addressing a critical gap in clinical decision-making following discordant prostate MRI-biopsy findings.

Goal(s): To determine the prevalence of csPCa among patients with negative biopsy for PIRADS 4 or 5 lesions.

Approach: A multicenter retrospective study, utilizing Natural Language Processing (NLP) to analyze patient demographics, clinical, imaging and pathologic outcomes, followed by statistical analyses.

Results: In 44% patients was found to have csPCa after initial discordant prostate MRI- biopsy.

Impact: This study underscores the high risk of csPCa in patients with initial negative biopsies for PIRADS 4 or 5 lesions, potentially guiding clinicians in patient management and informing follow-up strategies.

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Keywords