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目的：掌握学龄期儿童胫骨疲劳性骨折特点并正确诊断。方法：分析临床资料比较齐全的９例患儿。结果：临床特点是活动后疼痛，休息后好转，无夜间痛；局部压痛肿胀，应力试验时疼痛；Ｘ线片开始２周～４个月可能为阴性，随后表现局部骨膜反应，进而骨膜下骨髓内骨痂，后期形成新骨。治疗采取保守治疗，石膏固定。结论：学龄期胫骨疲劳性骨折的诊断，要注意与骨髓炎、骨肉瘤和骨样骨瘤区别，预后良好。
Objective: To master the characteristics of tibial fatigue fracture in school-age children and correct diagnosis. Methods: Nine cases of children with complete clinical data were analyzed. Results: The clinical features were post-operative pain, improvement after rest, no nocturnal pain, local tenderness swelling and pain during stress test. X-ray films may be negative from the first 2 weeks to 4 months, followed by local periosteal reaction and then subperiosteal bone marrow Within the callus, the late formation of new bone. Treatment to take conservative treatment, plaster fixed. Conclusion: The diagnosis of tibial fatigue fracture in school age should pay attention to the difference between osteomyelitis, osteosarcoma and osteoid osteoma, and the prognosis is good.