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Table 1 The number of biopsy cores stratified by age and prostate volume (NURTG nomogram)

From: The optimal number of initial prostate biopsy cores in daily practice: a prospective study using the Nara Urological Research and Treatment Group nomogram

Prostate volume (mL)

Age

≤59

60–64

65–69

70≤

−25

12

10

8

6

25–50

12

12

10

8

50−

12

12

12

10