习惯性髌骨脱位是指在膝关节伸直状态下,髌骨可以是处于正常或接近正常情况,而在屈曲时,由于各种畸形的原因,使得髌骨脱位到膝关节外方,使髌股关节长期处于非生理的磨损状态。久之,会诱发膝关节的骨关节炎,故必须早期娇正。有的文献称本病为“先天性髌骨脱位[1]”,但临床资料未 Habitual patellar dislocation refers to the knee in the state of extension, the patella can be in normal or near normal conditions, and in flexion, due to various deformities, making the patellar dislocation to the outside of the knee, the patellofemoral joint long-term In a non-physiological state of wear. For a long time, will induce osteoarthritis of the knee, it must be early Johnson. Some literature said the disease as “congenital dislocation of the patella [1]”, but the clinical data is not