Unilateral Laminectomy

Taylor, Alfred S.

doi:10.1097/00000658-191004000-00010

Cited by 28 publications

(24 citation statements)

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“…However, in adults, there exist no sufficient studies which evaluate the rate of post-laminectomy deformity in the intradural tumor population. To reduce the post-laminectomy problems, less invasive procedures such as hemilaminectomy (Taylor, 1910;Panjabi and White, 1980;Abbott et al, 1992;Öktem et al, 2000;Ogden et al, 2009) and osteoplastic laminotomy (Inoue et al, 1996;Yeh et al, 2001) have been proposed. However, with respect to prevention of kyphoscoliosis, there were no differences between laminectomy and osteoplastic laminotomy (Öktem et al, 2000).…”

Section: Discussionmentioning

confidence: 99%

“…The intradural extramedullary tumors located dorsal-laterally, ventral-laterally, laterally, and even ventrally, especially in patients with spinal neurinoma and meningioma could be removed via unilateral hemilaminectomy (Taylor, 1910;Panjabi and White, 1980;Abbott et al, 1992;Öktem et al, 2000;Ogden et al, 2009) and osteoplastic laminotomy (Inoue et al, 1996;Yeh et al, 2001). Our modified maneuvers allowed sufficient access to the ipsilateral and contralateral nerve roots under operating microscope.…”

Section: Indications Of the Limited Approachmentioning

confidence: 99%

“…Of the spinal cord tumors identified, 69% is non-malignant, and the most common histological types are meningiomas (29%), nerve sheath tumors (24%), and ependymomas (23%) by population-based data available on primary spinal cord (Schellinger et al, 2008). The initial strategy for patients with spinal cord tumors is to surgically extirpate via different approaches, which includes laminectomy (Raimondi et al, 1976;Yasuoka et al, 1981;Alexander, 1985;Reimer and Onofrio, 1985;Lonstein, 1977), hemilaminectomy (Taylor, 1910;Panjabi and White, 1980;Abbott et al, 1992;Öktem et al, 2000;Ogden et al, 2009), partial hemilaminectomy (Yasargil et al, 1991), and osteoblastic laminotomy and osteoplastic laminotomy (Parkinson, 1977;Inoue et al, 1996;Yeh et al, 2001). Although the hemilaminectomy technique is known to neurosurgeons performing spinal surgery, conventional laminectomy has been commonly used for extirpation of spinal tumors.…”

Section: Introductionmentioning

confidence: 99%

“…Unilateral hemilaminectomy which was reported by Taylor (1910), was popularized by Eggert et al (1983) and Chiou et al (1989). Biomechanical studies demonstrated that a minimally-invasive hemilaminar exposure preserves the structural integrity of the lumbar spine and minimizes alterations to segmental motion postoperatively (Panjabi and White, 1980;Ogden, et al, 2009).…”

Section: Introductionmentioning

confidence: 99%

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Unilateral hemilaminectomy for patients with intradural extramedullary tumors

Sun

Meng

Xie

et al. 2011

J. Zhejiang Univ. Sci. B

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Abstract:A modified hemilaminectomy was introduced in an attempt to explore the operative techniques and the values of the limited approach to spinal cord tumors. Forty-five consecutive patients with intradural extramedullary lesions, who underwent modified hemilaminectomy, were studied retrospectively. The intraspinal tumors were removed via the limited bone window with a 3.3-cm mean length (range: 2.0-6.5 cm) and a 1.2-cm mean width (range: 0.6-1.5 cm), in which the inner parts of the medial and lateral laminae were mostly undercut for wider view. Spinal lesions were cervical in 21 cases, thoracic in 12 cases, lumbar in 10 cases, and multiple in 2 cases. Forty-three cases were completely excised via hemilaminectomy alone. Two subjects with dumbbell neurinoma underwent two-stage tumor removal via anterolateral cervical approach following hemilaminectomy. With respect to neurological status, the percentage of good Frankel scale (D+E grade) was markedly improved from 22.2% on admission to 93.3% at follow-up. At the median 26-month follow-up evaluation by magnetic resonance imaging (MRI), none of the subjects showed spinal deformity or instability. By preserving musculoligamentous attachments and posterior bony elements as much as possible, the modified approach is minimally invasive and may be routinely used to remove intradural and extramedullary tumors, especially in patients with meningiomas and neurinomas.

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Section: Discussionmentioning

confidence: 99%

Section: Indications Of the Limited Approachmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Unilateral hemilaminectomy for patients with intradural extramedullary tumors

Sun

Meng

Xie

et al. 2011

J. Zhejiang Univ. Sci. B

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“…In order to reduce the risk of post-laminectomy spinal instability and deformity, Raimondi et al 1 and Parkinson 7 recommended osteoblastic laminotomy originally described by Bickham 11 and Ho man. 12 Unilateral hemilaminectomy was reported by Taylor 13,14 and was popularised by Eggert et al 3 and Chiou et al 15 In this study, 20 patients su ering from spinal lesions were studied with respect to the value of unilateral hemilaminectomy.…”

Section: Introductionmentioning

confidence: 96%

Hemilaminectomy for the removal of the spinal lesions

et al. 2000

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Objective: We evaluated 20 patients with spinal lesions with respect to the value of unilateral hemilaminectomy at the Department of Neurosurgery, Erciyes University, Medical Faculty, Kayseri, Turkey. The operative technique of the limited approach for spinal lesions is described. Methods: The study is based on 20 prospective consecutive patients with spinal lesions who had unilateral hemilaminectomy. There were 12 women and eight men. Age ranged from 17 to 63 years mean (42 years) with a slight preponderance of women patients (60%). Spinal lesions were cervical in three cases, lumbar in ®ve cases, and thoracic in 12 cases. Hemilaminectomy was performed by using a high speed drill. Results: Postoperative neurological status was unchanged in six cases, improved in 11 cases, and worsened in three cases. We only observed two cases of wound infections that were not related to our surgical approach. At the follow-up evaluation, which occurred approximately 25 months after surgery none of the patients showed spinal deformity or spinal instability. Conclusion: The rationale of attempting unilateral approach is to avoid damage to the dorsal static structures of the vertebral column. With the precise preoperative de®nition of the relationship of tumor to the surface of the spinal cord by contrast enhanced MRI, unilateral approaches might be more applicable to spinal lesions except invasive extradural lesions. Spinal Cord (2000) 38, 92 ± 96

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Compression of the Spinal Cord Due to Ventral Extradural Cervical Chondromas

Stookey¹

1928

Arch NeurPsych

204

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Unilateral Laminectomy

Cited by 28 publications

References 0 publications

Unilateral hemilaminectomy for patients with intradural extramedullary tumors

Unilateral hemilaminectomy for patients with intradural extramedullary tumors

Hemilaminectomy for the removal of the spinal lesions

Compression of the Spinal Cord Due to Ventral Extradural Cervical Chondromas

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