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A 72-year-old woman was referred to our out-of-hospital clinic because of a painful and oedematous left leg in the last few months. Her medical history was unremarkable and she was not on any medication. The dermatologist who recently assessed our patient confirmed that there was no venous insufficiency and the ultrasound of the iliac region did not show any venous obstruction. The pain presented during walking and she had no complaints in the other leg. On examination, the lower left leg and foot were diffusely red and bluish, and the middle of the leg was 4 cm larger in circumference (figure 1).
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