Fig. 1

Surgical procedure performed to produce a porcine model of VLM. (A). The operation was carried out in a surgical room under the supervision of veterinarian anesthesiologists under constant instrumental monitoring of the animals. (B-D). Muscle ablation and saturation of the lesion. (E). Representative images referring to scar monitoring after 15 days from the damage. (F). Representative ultra-sound image showing tissue organization of the muscle lesion observed 15 days from the damage. The yellow and the red arrows indicate respectively the muscle ablated zone and the muscle fibers