![]() 2.2 Jones or metaphyseal-diaphyseal junction fracture What is a Jones fracture A transverse fracture of the metaphyseal diaphyseal.The proximal 5th metatarsal is the site of a number of fractures. Care should be taken in differentiating an avulsion fracture of the fifth metatarsal from a Jones fracture, due to the risk of nonunion in the latter. Citation, DOI, disclosures and article data. Its proximal portion is divided into three parts: the tuberosity, metaphysis, and proximal diaphysis ( figure 2 ). 2.1 Dancer, pseudo-Jones, or tuberosity (styloid) avulsion fracture Summary Metatarsal fractures are common in the paediatric population and rarely require operative management. Acute diaphyseal (Jones) fractures usually result from a vertical or mediolateral force on the base of the fifth metatarsal while the patients weight is over the lateral aspect of the plantar. CLINICAL ANATOMY The fifth metatarsal is located on the lateral side of the foot ( figure 1A-C ).
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