الفهرس 
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Abstract
although the crossed-entry techniques had 100% excellent reduction grading with no loss of reduction, and the lateral-entry one had 93.33% excellent reduction grading with 6.67% mild loss of reduction, there was no statistical difference in complications, range of motion, and radiographic alignment between crossed pin group and lateral pin group.
Therefore, we found that if a uniform standardized operative technique is followed in each method, then the result of both the percutaneous fixation methods will be same in terms of safety and efficacy.
RECOMMENDATIONS:
Orthopedic surgeons treating unstable pediatric supracondylar humerus fractures should be facile with both the crossing-entry and the two-lateral-entry techniques. However, the first technique should be limited only to ex-perienced surgeons as there were statistical differences in radiation expo-sure and operative time between the two techniques as the first is more time consuming, has more radiation exposure to both surgeon and patient, and has higher risk of iatrogenic ulnar nerve injury.
FURTHER RESEARCHS:
The standard treatment for displaced Gartland type III extension type su-pracondylar fractures of the humerus in children is closed reduction and percutaneous pin fixation. But, as controversy persists among authors re-garding optimal method of percutaneous pin fixation, some parameters should be investigated to properly choose the convient method of treatment. These parameters can be summarized as follows:
I. Correlation between the occurrence of iatrogenic ulnar nerve injury and, age, sex, initial fracture displacement direction, the size and insertion angle of medial pin.
II. Correlation between posteromedial or posterolateral displacement and cubitus varus deformity in Gartland type III extension type supracondylar humerus fractures in children.
III. Defining standard indications for both techniques.