Abstract
Hemivertebra (HV) is a congenital spinal abnormality due to a defection of formation of one side vertebral.It is divided into 3 types according to whether it fusion with adjacent vertebral: fully segmented, semi-segmented and incarcerated.HV deformity is diagnosed depending on clinical symptoms, X rays, CT and other examine.Preoperative magnetic resonance imaging of the spine, genitourinary and cardiac ultrasound should be performed at the same time.Congenital scoliosis due to HV especially fully segmented is nonresponsive to bracing, operative treatment is the mainstay of care.The 3 basic operations are fusion in situ, convex growth arrest(epiphysiodesis), and HV resection.The single posterior approach or combined anterior and posterior approach of HV resection with instrumentation is the main method now. Key words: Hemivertebra malformation; Operation treatment; Child
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