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![Dynamic infrared thermography and smartphone thermal imaging as an adjunct for preoperative, intraoperative, and postoperative perforator free flap monitoring](https://image.oaes.cc/8454390c-8e1c-4337-9c94-1cdef03f5164/3291.fig.1.jpg)
Figure 1. Preoperative case example. Chronic skin graft breakdown and drainage from medial left lower leg, 20 years following a motorcycle accident that at that time had a failed free flap and then a cross-leg flap (left), thermal stress on left anterolateral thigh donor site induced by isopropyl alcohol spray with fan to accelerate evaporation and cooling (right)