[Foot and ankle imaging: what is the best modality].

There are numerous foot and ankle's pathologies and also numerous imaging technics. In fact, it often appears an inadequacy between the suspected pathology and the diagnostic tool used for its study. Aims. Know the qualities and the faults of each foot and ankle imaging technic. Know the best way of using these technics, according to the clinical problem, of a medical and economic point of view, in main skeletal pathologies, mechanical arthropathies of the hindfoot, tendonopathies, infections, and forefoot diseases.