The classification was described by the American orthopedic surgeons Steven J Lawrence and Michael J Botte in 1993 and then numbered by another American orthopedic surgeon, Thomas B Dameron, Jr, in a subsequent publication 1,2. proximal 1.5 cm of the diaphysis, distal to the 4 th-5 th intermetatarsal articulation Interventions for treating proximal fifth metatarsal fractures in adults: a meta-analysis of the current evidence-base.without involvement of tarsometatarsal joint.involving distal tuberosity and metaphyseal-diaphyseal junction, extending to the 4 th-5 th intermetatarsal articulation.with or without articular involvement of the metatarsocuboid joint.The decision for surgical or conservative approach is still inconclusive. involving proximal tuberosity, starting from the lateral cortex Fifth metatarsal bone fracture is one of the most commonest fractures of the foot. We help you diagnose your Metatarsal fractures case and provide detailed.zone 1: tuberosity (styloid process) avulsion fracture.The mechanism of injury may be direct, indirect or repetitive trauma. Proximal Humerus Shoulder Fracture: Treatment. The fifth metatarsal is reported to be the most commonly injured. The Dameron-Lawrence-Botte classification, or Lawrence-Botte classification, is a commonly used nomenclature for proximal fifth metatarsal fractures, which are categorized into one of three anatomic zones of involvement: Fracture of the 5th Metatarsal: Types, Symptoms, and Treatment.
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