The lesion can be easily identified clinically.<unk>  doppler and pulse volume recordings are performed for baseline assessment of blood flow. Radiographs may be necessary to rule out osteomyelitis. Differential diagnoses * Neuropathic ulcer * Gangrene * Infected wound
Arterial insufficiency ulcer
Venous ulcer
Callous ulcer
Cushing ulcer
Chronic venous insufficiency
Diabetic foot ulcer
Pressure ulcer
Marjolin's ulcer