Fig. 6.
A 59-year old man patient presented with tingling sensation of both arm, C6/7 ACDF. A : Preoperative TIH : 35.34 mm. b : Postoperative TIH : 39.21 mm. C : F/U TIH : 35.44 mm. This case belonged to cage subsidence group, but it did not belong to cage decrement group (pre TIH : 35.34 mm <F/U TIH : 35.44). TIH : total intevertebral height, F/U : follow up.