疲劳骨折亦称应力骨折,有人称为行军骨折。跖骨为疲劳骨折中最常见者,胫腓骨,跟骨次之,其它骨的疲劳骨折均极少见,本病发病隐匿,早期诊断困难,易误诊。我们遇到三例,报告如下: 例1女,17岁,学生,1987年6月越野长跑后左侧小腿胀痛,仍能活动,故来检查,四周后因局部仍肿胀,疼痛就诊,查左小腿肿胀,皮肤光亮,胫骨中上1/3处可触到表面光滑,质地坚硬的包块,压疼(++),X线片上胫 Fatigue fractures, also known as stress fractures, was called a march fracture. Metatarsal fractures are the most common fatigue, tibia and fibula, followed by calcaneal, fatigue fractures of other bones are rare, the incidence of occult disease, early diagnosis difficult, easily misdiagnosed. We encountered three cases, the report is as follows: 1 female 17-year-old student, after the June 1987 cross-country long-legged left leg pain, still activity, so to check, after four weeks because of local swelling, pain, check Left leg swelling, bright skin, the tibia in the upper 1/3 can touch the surface smooth, hard texture mass, tenderness (++), X-ray on the shin