DR P. MARAZZI / SCIENCE PHOTO LIBRARY DR P. MARAZZI / SCIENCE PHOTO LIBRARY
Infected ischaemic toe on the foot of a 56 year old woman. Ischaemia is a lack of blood supply to part of the body, caused by narrowing of the blood vessels that supply it. It can lead to tissue death (gangrene) and infection. Here, the underlying cause was osteomyelitis, an infection of the bone marrow. Ischaemia can be treated with drugs that dilate the blood vessels, although treatment of the underlying cause is the priority.
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