Table 1 The clinical characteristics of two patients

Age (years)

72

58

Bladder size (cm)

11.0 × 8.0 × 6.0

10.0 × 6.5 × 5.0

Prostate size (cm)

4.0 × 3.5 × 2.5

5.5 × 4.0 × 3.5

SCCB size (cm)

4.0 × 3.0 × 2.5

3.0 × 2.5 × 1.5

1.5 × 1.0 × 1.0

SCCB location

left posterior wall

posterior wall top wall

Initial symptoms

gross hematuria odynuria

gross hematuria dysuria

Serum PSA (ng/ml)

16.40

8.56