Stress fracture. Coloured composite 3D computed tomography (CT) scan and bone scintigram showing a stress fracture of the second metatarsal in the left foot in a 41-year-old female patient. The bright area corresponds to an active remodelling of bone at the break. This type of break, known also as a march fracture, is common in runners, ballet dancers and gymnasts as a sport injury. It can be a result of repeated impacts, or sudden changes in type or intensity of training.
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