Table 1 Inclusion and exclusion criteria
| Inclusion criteria | |
| • ≥ 18 years old | |
| • Having a painful IPK for at least 3 months | |
| Exclusion criteria | |
| • Ongoing pregnancy or breastfeeding | |
| • Severe cardiovascular or neurological disease | |
| • Immunosuppressed status | |
| • Presence of a plantar ulcer | |
| • Allergy to lidocaine | |
| • History of keloid or hypertrophic scar | |
| • Simultaneous painful plantar syndrome unrelated to the presence of an IPK |