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Table 3 Maximal urinary and rectal toxicities as well as corresponding dosimetric parameters

From: Re-implantation after insufficient primary 125-i permanent prostate brachytherapy

 

D5u (%)

Maximal urinary toxicity

Timepoint of toxicity

V100r (cm3)

Maximal rectal toxicity

Patient 1

150.0

0

-

0.1

0

Patient 2

161.4

frequency, grade 1

2 years

0.3

0

Patient 3

131.1

pain, grade 1

6 months

0.3

0

Patient 4

129.9

0

-

0.3

0

Patient 5

153.7

retention, grade 1

6 months

0.9

0

  1. V100r – the rectal volume receiving at least 100% of the prescribed dose. D5u – the minimum dose to 5% of the urethra volume.