Fig. 7.

Chronic mixed ulcer involving abscess formation and subsequent persistent long intramuscular soft tissue channel, which was primarily treated with negative pressure wound therapy (NPWT) (a). The matrix is introduced as a roll into the channel, while another matrix is placed to cover the surface (b–e). Multiple NPWT (f); following removal, the wound was protected using a silicone gauze. Successful wound conditioning for a subsequent mesh graft (g–i) with healing of the mesh graft (j) followed by compression therapy