Abstract: Twenty-five patients were treated by percutaneous cervical discectomy(PCD)for herniated disc and cervical spondylosis. The follow up period was from half a year to five years with an average of three years.Three cases were herniation of cervical intervertebral disc and the other twenty two cases were cervical spondylosis. Among them one case suffered from symptoms of compression of spinal nerve root, the other twenty four cases had symptoms of compression of spinal cord, and meanwhile vertigo and diplopia were also noticed. Four patients had the PCD performed at the two levels. The procedures were performed at C_3～4 level in five cases, C_4～5 level in seven cases, C_5～6 level in thirteen cases,and C_6～7 level in four cases. The success rate was 96% and the excellen or good rate was 88%.The pressures of intervertebral disc were measured in operation in four cases that showed the PCD could decrease the pathologicly high pressure of intervertebral disc and thus, the disease was cured. Owing to the appliance of endoscope, the operation was performed more safely and more reasonably.

Key words: cervical spondylosis, herniation of cervical intervertebral disc, percutaneous