Expected headings
"Plain radiograph and CT"
"Peritalar dislocations can be subdivided in medial, lateral, anterior and posterior, which refer to the position of the calcaneus and distal foot relative to the talus. Medial peritalar dislocation is most frequent (71-80%) 2. Lateral peritalar dislocation is much rarer (17%). Even less frequently occurring are anterior and posterior dislocation 2."