Evaluation index

Before treatment

After treatment

1 month

3 months

6 months

VAS scores

2.47 ± 0.62

2.25 ± 0.51

2.24 ± 0.68

2.22 ± 0.49

the size of cyst (cm³)

18.03 ± 12.89

5.48 ± 2.44*

6.12 ± 2.63*

6.37 ± 2.71*