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AANS National Neurosurgical Statistics Report - 1999 Procedural Statistics

Top Reported Spine Procedures Performed in 1999

Type of Procedures Performed	Total Procedures Performed
Spine Procedures	533,839
Laminectomy (stenosis)	85,876
cervical	13,057
thoracic	4,018+
lumbar	61,520
Laminectomy - disc	141,620
cervical	14,062
lumbar	128,563
Lateral approach	4,771+
thoracic	1,758+
lumbar	3,013+
Anterior-discetomy	78,594
cervical	68,801
thoracic	10,797
Anterior-corpectomy	14,313
cervical	11,802
thoracic	1,004+
lumbar	1,507+
Arthrodesis-function	111,488
cervical-anterior	74,074
cervical-posterior	6,529
thoracic	2,260+
lumbar	27,621
anthrodesis-fusion-scoliosis	1,758+
Spinal instrumentation	81,859
anterior	35,656
posterior	26,365
interbody graft	17,577
removal of instrumentation	3,013+
Laminectomy/other (not disc)	14,062
syrinx	1,256+
rhizotomy	502+
release tethered cord	2,260+
AVM	251+
extradural-not neoplasm	1,004+
intradural lesion-intramedullary	1,507+
extramedullary neoplasm	4,520+
Corpectomy-lesion
(not disc/not stenosis)	1,256+
extradural	1,256+

Note: Figures and percentages may not add up to 100% due to rounding. Figures and percentages may not add up to 100% due to incomplete reported information. + Projections based from means = or < 2.5.