PMC7238323_01
Images of the right foot before and after protocol with sildenafil citrate and PDT, showing the consequences of the treatment due to improvements in blood perfusion and wound healing. Methods and protocols have been described previously.
CRIM2020-4065452.001.jpg
PMC7238323_01_CRIM2020-4065452.001.jpg
fig1
After 5 PDT sections, feet lesion healed and the patient regained his colored feet and reported no pain (Figure 1).
PMC7238323_02