Inclusion and Exclusion Criteria
| Inclusion criteria |
| Adult patients (age ≥18 yr) |
| Patients with tenderness on sinus tarsi |
| Patients who experience pain relief after lidocaine injection |
| Patients who failed conservative treatment for more than 3 months |
| Exclusion criteria |
| Patients with a followed-up period of less than 12 months |
| Patients with a history of fractures around the ankle joint |
| Patients who underwent additional surgery for other ankle joint diseases |
| Patients with tarsal coalition |
| Patients diagnosed with CRPS |
CRPS: complex regional pain syndrome.
