Burning red hot feet

A man in his fifties presented with 1-year history of burning sensation and pain in both feet with dusky erythema on both dorsal feet and soles with no associated systemic complaint. Cutaneous examination revealed symmetric well to ill-defined blanchable dusky erythema on dorsum of feet involving toes and soles, with slight elevation of temperature of overlying skin (Fig. 1). Peripheral pulses including dorsalis pedis, anterior tibial and...