目的探讨关节表面骨软骨骨折MRI表现。
Objective To investigate the MRI features of osteochondral fracture in the joint surface.
方法对14例青少年髌骨骨软骨骨折的临床资料进行分析。
Methods The clinical data of 14 cases with osteochondral fracture of patella in adolescent were analyzed.
目的：探讨不同固定方法对膝关节内骨软骨骨折块愈合及疗效的影响。
AIM: To explore the influence of different fixed ways on healing and curative effect of osteochondral fracture block of knee joint.
结论MRI能准确显示并诊断膝关节外伤后骨软骨骨折，提高临床诊断并指导关节镜及手术治疗。
Conclusion MRI can accurately reveal and diagnose the osteochondral fracture of knee after trauma, which improves the diagnostic certainty and is very helpful for arthroscopy and operation.
结果发现隐性骨折病灶110处，根据损伤累及的范围和程度，隐性骨折分为隐性皮质下骨折、隐性骨皮质骨折和隐性骨软骨骨折三型；
Results 110 lesions were found and were divided into 3 types: occult subcortical fracture, occult cortical fracture and occult osteochondral fracture according to the range and degree of injuries.
观察骨折愈合的组织学变化，并测定骨痂中小梁骨、软骨、纤维组织所占百分比。
Histological alterations during fracture healing were observed, and percentage of trabecular bone, cartilage and fibrous tissue in the bony callus was determined.
目的：本文研究髋臼骨折后股骨头软骨的变化，探讨髋臼骨折后骨性关节炎及股骨头坏死的发生情况。
Objective To study the development of the cartilage of femoral head after acetabulum fracture, and the connection of osteoarthritis and osteonecrosis of femoral head.
骨折愈合主要是成骨活动及软骨内化骨加速。
The healing of fracture mainly is the acceleration of osteogenic activities and endochondral ossification.
目的：探讨骨质疏松性骨折愈合过程中胞内信号因子cd 44及其配体FN在骨痂软骨细胞的表达情况。
Objective: To study the expression of CD44, FN of callus cartilage cell in the healing process of osteoporosis fracture.
结果与一般骨折愈合方式相似，软骨内成骨与膜内成骨共同参与了骨质疏松性骨折的修复，且以软骨内成骨为主。
Results in OPFM, both endochondral bone formation and intramembrane bone formation played their parts in osteoporotic fracture healing, the former played a major role.
结论CT重建，立体显示膝关节骨损伤状况，能间接提示交叉韧带损伤，MRI则对韧带及关节软骨、半月板损伤及隐性骨折显示较佳。
Conclusion ct reconstruction can show knee joint trauma three-dimensionally which can refer to cross ligament trauma indirectly and MRI can show ligament, joint cartilage and meniscus more clearly.
【摘要】目的观察自体骨钉内固定治疗关节软骨及软骨下骨折的疗效。
Abstract】 Objective To observe the effects of fixation of self bony pins onfracture of articular cartilage and subcondral bone.
问题：在患有膝关节剥脱性骨软骨炎（OCD）的患者中，自体骨软骨移植（OAT）是否比微骨折术更有效？
Question: In children with osteochondritis dissecans (OCD) injuries of the knee, is osteochondral autologous transplantation (OAT) more effective than microfracture?
问题：在患有膝关节剥脱性骨软骨炎（OCD）的患者中，自体骨软骨移植（OAT）是否比微骨折术更有效？
Question: In children with osteochondritis dissecans (OCD) injuries of the knee, is osteochondral autologous transplantation (OAT) more effective than microfracture?
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