Torg et al. analyzed 46 Jones fractures in 43 athletes treated over 9 years, asking whether radiographic appearance at presentation predicts healing and should guide treatment. They developed a three-type classification based on intramedullary sclerosis and validated it against treatment outcomes.
The single most important X-ray finding in a proximal fifth metatarsal fracture distal to the tuberosity is intramedullary sclerosis — its presence, and degree, determines everything about management.
For a Type I fracture with no sclerosis: non-weight-bearing toe-to-knee cast for 6-8 weeks achieves 93% union. Allowing weight-bearing in this group fails more than half the time and risks progression to delayed union.
For a Type II fracture with partial sclerosis in a competitive athlete: conservative care will eventually work, but 14+ months is unacceptable. Offer early surgical curettage and inlay grafting to get them back in 12 weeks.
For a Type III fracture with complete canal obliteration: curettage and autogenous corticocancellous inlay graft is the procedure of choice for all athletes and symptomatic non-athletes. The Torg technique. Dorsolateral approach, rectangular cortical window, medullary recanalization, anteromedial distal tibial graft. Achieves 95% union with no complications and should be preferred over intramedullary screw fixation, which carries a 45% perioperative complication rate.
Torg et al. analyzed 46 Jones fractures in 43 athletes treated over 9 years, asking whether radiographic appearance at presentation predicts healing and should guide treatment. They developed a three-type classification based on intramedullary sclerosis and validated it against treatment outcomes.
The single most important X-ray finding in a proximal fifth metatarsal fracture distal to the tuberosity is intramedullary sclerosis — its presence, and degree, determines everything about management.
For a Type I fracture with no sclerosis: non-weight-bearing toe-to-knee cast for 6-8 weeks achieves 93% union. Allowing weight-bearing in this group fails more than half the time and risks progression to delayed union.
For a Type II fracture with partial sclerosis in a competitive athlete: conservative care will eventually work, but 14+ months is unacceptable. Offer early surgical curettage and inlay grafting to get them back in 12 weeks.
For a Type III fracture with complete canal obliteration: curettage and autogenous corticocancellous inlay graft is the procedure of choice for all athletes and symptomatic non-athletes. The Torg technique. Dorsolateral approach, rectangular cortical window, medullary recanalization, anteromedial distal tibial graft. Achieves 95% union with no complications and should be preferred over intramedullary screw fixation, which carries a 45% perioperative complication rate.