الفهرس 
Embryologic development of human’s metacarpal bonesOnly 14 pages are availabe for public view
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Abstract
Neck fractures of the metacarpal bone can alter optimal hand function.Surgical fixation is indicated when rotation is impaired ± head shortening over 2mm ± displacement of the head in flexion exceeds 60° for the fifth, 50° for the fourth and 15° for both the second and third. Many techniques were described for this fracture with no robust evidence for the best treatment.Recently developed low profile plates may, however, challenge the preference for K-wires. Low profile plates were found to have lower complications than conventional plates in addition to early range of motion and early return to work In the present study, we compared results between closed reduction,fixation by antegrade Intramedullary nailing and open reduction, fixation low profile plate.A series of 37 metacarpal neck fractures indicated for surgical fixation:18 were managed by antegrade Intramedullary nailing (group I) and 19 by low profile plate (group II). All patients were followed up for one year and results were analyzed on subjective and objective criteria (PVAS, Q-DASH, grip strength, TAM, time off work, radiology (union and residual deformity),complications, operative time, time to union).No significant differences were found for PVAS, Q-DASH, TAM, time to radiological union or residual deformities at last follow-up. Grip strength,however, was significantly better in the K-wire group. Operative time and time off work were significantly shorter in the k-wire group. Plate group showed prevalent complications both peri and post-operative hitting 63.2 % of the plate group vs 16.7% in K-wire group.