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Prostate Biopsy Results: Timeline, What They Show, and Next Steps

Prostate biopsy results are not available same-day. Processing takes 3–7 business days typically.

Process

  1. Tissue cores fixed in formalin.
  2. Processed, embedded in paraffin, sectioned, stained (H&E).
  3. Pathologist evaluates: architecture, cellular atypia, Gleason grading.
  4. Report generated, sent to urologist.

What the Report Includes

  • Number of cores taken, positive cores.
  • Gleason Score: Primary + secondary pattern (e.g., 3+4=7). Grade Group 1–5.
  • Cancer length/percentage per core.
  • Perineural invasion, extraprostatic extension, seminal vesicle involvement.
  • High-grade prostatic intraepithelial neoplasia (HGPIN), atypical small acinar proliferation (ASAP).

Factors Affecting Turnaround

  • Lab workload, need for special stains (basal cell markers, AMACR), second opinion.

Next Steps

  • Discuss results with urologist.
  • If cancer: staging (MRI, bone scan, PSMA PET), risk stratification, treatment options (active surveillance, surgery, radiation, focal therapy, systemic).
  • If negative but high suspicion: repeat biopsy, MRI-targeted biopsy.

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