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Journal of Korean Neurosurgical Society 1991;20(7): 574-576.
Nerve Root Compression by a Grafted Free Fat after Surgery for Spinal Stenosis.
Sung Nam Hwang, Sang Kook Lee, Young Baeg Kim, Duck Young Choi
Departments of Neurosurgery, College of Medicine, Chung-Ang University Hospital, Seoul, Korea.
As proliferative epineural scar is one of the most common cause of persistent or recurred pain after laminectomy for lumbar disc or lumbar spinal stenosis, various attempts have been tried to prevent this troublesome complication. Among these, free fat graft has been widely used because of the protective barrier effect of the grafted fat against the infiltrating scar. The authors present a 41-year old woman who underwent a decompressive bilateral hemilaminectomy and free fat graft for lumber spinal stenosis. When the patient was allowed to walk 4 days after the surgery, she began to complain severe radiating right leg pain. Absolute bed rest, analgesics and steroid didn't relieve her pain, so reoperation was done 11 days after the initial operation. The grafted fat was densely adhered to the dura and part of itcompressed the root very thightly in the lateral recess. The fat was completely removed and the patient recovered without pre-exsting pain after the surgery.
Key Words: Spinal stenosis; Laminectomy; Complication; Fat graft
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