Fig. 1
The patient was a 67 year old woman with failed back syndrome. The patient underwent posterolateral fusion （L4 to iliac）, and bone union was seen by X-ray imaging 12 months after surgery （（a） and （b））.
Fig. 1
The patient was a 67 year old woman with failed back syndrome. The patient underwent posterolateral fusion （L4 to iliac）, and bone union was seen by X-ray imaging 12 months after surgery （（a） and （b））.