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PRI-MUS Risk Identification

PRI-MUS (prostate risk identification using micro-ultrasound) is an evidence-based* protocol for identifying sonographic features of the prostate under micro-ultrasound to help direct and target biopsies.
SYSTEMATIC BIOPSY
PRI-MUS 1

Small regular ducts "Swiss Cheese"

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PRI-MUS 2

Hyperechoic with/without ductal patches.

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TARGET SUSPICIOUS REGION
PRI-MUS 3

Mild heterogeneity or Bright Echoes in hyperechoic tissue

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PRI-MUS 4

Heterogeneous “Cauliflower”, “smudgy or mottled” or Bright Echoes (”Starry Sky”)

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PRI-MUS 5

Irregular Shadowing or Mixed-echo lesions or Irregular Prostate/PZ border

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