Fractures of the proximal fifth metatarsal

被引:3
|
作者
Strayer, SM [1 ]
Reece, SG [1 ]
Petrizzi, MJ [1 ]
机构
[1] Virginia Commonwealth Univ, Med Coll Virginia, Richmond, VA 23298 USA
关键词
D O I
暂无
中图分类号
R1 [预防医学、卫生学];
学科分类号
1004 ; 120402 ;
摘要
Fractures of the proximal portion of the fifth metatarsal may be classified as avulsions of the tuberosity or fractures of the shaft within 1.5 cm of the tuberosity. Tuberosity avulsion fractures cause pain and tenderness at the base of the fifth metatarsal and follow forced inversion during plantar flexion of the foot and ankle. Local bruising, swelling and other injuries may he present. Nondisplaced tuberosity fractures are usually treated conservatively, but orthopedic referral is indicated for fractures that are comminuted or displaced, fractures that involve more than 30 percent of the cubometatarsal articulation surface and fractures with delayed union. Management and prognosis of both acute (Jones fracture) and stress fracture of the fifth metatarsal within 1.5 cm of the tuberosity depend on the type of fracture, based on Torg's classification. Type I fractures are generally treated conservatively with a nonweight-bearing short leg cast for six to eight weeks. Type II fractures may also he treated conservatively or may be managed surgically, depending on patient preference and other factors. All displaced fractures and type III fractures should be managed surgically. Although most fractures of the proximal portion of the fifth metatarsal respond well to appropriate management, delayed union, muscle atrophy and chronic pain may be long-term complications.
引用
收藏
页码:2516 / 2522
页数:7
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