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151 Couldwell, William T.Rathke cleft cyst intracystic nodule: a characteristic magnetic resonance imaging findingObject. The fluid content of Rathke cleft cysts (RCCs) displays variable appearances on magnetic resonance (MR) images and can appear indistinguishable from other intrasellar or suprasellar cystic lesions. Intracystic nodules associated with individual RCCs have been noted, but to date their signifi...2005
152 Dailey, Andrew T.Guidelines for the performance of fusion procedures for degenerative disease of the lumbar spine. Part 10: fusion following decompression in patients with stenosis without spondylolisthesisStandards. There is insufficient evidence to recommend a treatment standard. Guidelines. There is insufficient evidence to recommend a treatment guideline. Options. 1) In situ posterolateral lumbar fusion is not recommended as a treatment option in patients with lumbar stenosis in whom there is n...Fusion; Lumbar spine; Degenerative disease; Lumbar fusion2005
153 Couldwell, William T.; House, Paul A.De novo fenestration of the optic nerveFenestration of the optic nerve or chiasm due to the presence of an aneurysmal dilation of the internal carotid artery (ICA) has been described previously. In three of five cases reviewed recently, the optic nerve was penetrated by an ICA?ophthalmic artery aneurysm.3 Penetration of the optic nerve w...Fenestration; Aneurysm2005
154 Couldwell, William T.Harvey cushing and oskar hirsch: early forefathers of modern transsphenoidal surgeryThe transnasal transsphenoidal approach is the preferred route for removal of most lesions of the sella turcica. The concept of transnasal surgery traversing the sphenoid sinus to reach the sella has existed for nearly a century. A comprehensive historical overview of the evolution of transsphenoida...2005
155 Dailey, Andrew T.Guidelines for the performance of fusion procedures for degenerative disease of the lumbar spine. Part 16: bone graft extenders and substitutesStandards. The use of autologous bone or rhBMP-2 bone graft substitute is recommended in the setting of an ALIF in conjunction with a threaded titanium cage. Guidelines. There is insufficient evidence to recommend a treatment guideline. Options. 1) Recombinant human BMP-2 in combination with HA ...Lumbar fusion; Lumbar spine; Bone graft; Treatment outcome; Practice guidelines; Degenerative disease2005
156 Couldwell, William T.Personal perspective: AANS Bulletin's momentum continues: new editor considers peer review, practice survey impactWith this issue, I assume the reins as editor of the AANS Bulletin. I am indebted to James Bean, MD, for his extraordinary efforts in this capacity, as witnessed by review of the recent issues published under his leadership. An important initiative put forth by Dr. Bean and the Bulletin Advisory Boa...2005
157 Dailey, Andrew T.Guidelines for the performance of fusion procedures for degenerative disease of the lumbar spine. Part 17: bone growth stimulators and lumbar fusionTreatment Standards. There is insufficient evidence to recommend a treatment standard. Treatment Guidelines. Either DCS or CCS is recommended as an adjunct to spinal fusion to increase fusion rates in patients who are at high risk for arthrodesis failure following lumbar PLF. Pulsed electromagnetic...Fusion procedures; Degenerative disease; Lumbar spine; Lumbar fusion; Bone growth stimulators; Electrical stimulation devices2005
158 Dailey, Andrew T.Guidelines for the performance of fusion procedures for degenerative disease of the lumbar spine. Part 14: brace therapy as an adjunct to or substitute for lumbar fusionStandards. There is insufficient evidence to recommend a treatment standard. Guidelines. The short-term use of a rigid lumbar support (1-3 weeks) is recommended as a treatment for low-back pain of relatively short duration (, 6 months). The use of a lumbar brace for patients with chronic low-back p...Fusion procedures; Degenerative disease; Lumbar spine; Low-back pain; Lumbar fusion; Brace therapy2005
159 Dailey, Andrew T.Guidelines for the performance of fusion procedures for degenerative disease of the lumbar spine. Part 6: magnetic resonance imaging and discography for patient selection for lumbar fusionStandards. There is insufficient evidence to recommend a treatment standard. Guidelines. 1) It is recommended that MR imaging be used as a diagnostic test instead of discography for the initial evaluation of patients with chronic low-back pain. 2) It is recommended that MR imaging-documented dis...Lumbar fusion; Lumbar spine; Degenerative disease; Practice guidelines; Patient selection; Discography2005
160 Dailey, Andrew T.Guidelines for the performance of fusion procedures for degenerative disease of the lumbar spine. Part 15: electrophysiological monitoring and lumbar fusionStandards. There is insufficient evidence to recommend a treatment standard. Guidelines. Use of intraoperative SSEP or DSEP monitoring is recommended as an adjunct in those circumstances during instrumented lumbar spinal fusion procedures in which the surgeon desires immediate intraoperative inform...Fusion procedures; Degenerative disease; Lumbar spine; Low-back pain; Lumbar fusion; Electrophysiological monitoring; EMG2005
161 Couldwell, William T.Far-lateral transcondylar approach: surgical technique and its application in neurenteric cysts of the cervicomedullary junctionNeurenteric cysts are rare benign lesions of the central nervous system that are lined by endodermal cell-derived epithelium. Although they occur mostly in the spine, they can occur intracranially, most often in the posterior fossa. Neurenteric cysts that are located in the anterior cervicomedullary...2005
162 Dailey, Andrew T.Guidelines for the performance of fusion procedures for degenerative disease of the lumbar spine. Part 2: assessment of functional outcomeStandards. It is recommended that functional outcome be measured in patients treated for low-back pain due to degenerative disease of the lumbar spine by using reliable, valid, and responsive scales. Examples of these scales in the low-back pain population include the following: The Spinal Stenosi...Lumbar fusion; Lumbar spine; Degenerative disease; Practice guidelines; Treatment outcome; Functional outcome2005
163 Dailey, Andrew T.Guidelines for the performance of fusion procedures for degenerative disease of the lumbar spine. Part 7: intractable low-back pain without stenosis or spondylolisthesisStandards. Lumbar fusion is recommended as a treatment for carefully selected patients with disabling lowback pain due to one- or two-level degenerative disease without stenosis or spondylolisthesis. Guidelines. There is insufficient evidence available to support a treatment guideline. Options. An...Fusion; Lumbar spine; Degenerative disease; Low back pain2005
164 Schmidt, Meic H.Titanium cage-assisted polymethylmethacrylate reconstruction for cervical spinal metastasisReconstruction and stabilization of the cervical spine after vertebrectomy is an important goal in the surgical management of spinal metastasis. The authors describe their reconstruction technique using a titanium cage-Silastic tube construct injected with polymethylmethacrylate (PMMA) augmented by...Titanium cage; Cervical spine; Cervical spinal metastasis; Reconstruction; Vertebrectomy; PMMA reconstruction; Silastic tube2005
165 Couldwell, William T.Thrombosed basilar apex aneurysm presenting as a third ventricular mass and hydrocephalusAneurysms presenting as third ventricular masses are uncommon; most are giant aneurysms arising from the basilar apex. We present a case of a thrombosed basilar apex aneurysm presenting as a third ventricular mass and hydrocephalus in a 55-year-old man. The case is unique in the literature as the an...Basilar apex aneurysm; Ventricular mass; Third ventriculostomy2005
166 Schmidt, Meic H.Frameless stereotactic image-guided C1-C2 transarticular screw fixation for atlantoaxial instability: review of 20 patientsAtlantoaxial instability can result from trauma, rheumatoid arthritis, congenital malformation, or tumor invasion. The goal of treatment is stabilization of the C1-C2 complex to prevent neurologic and neurovascular compromise. First described in 1987 by Magerl and Seemann, C1-C2 transarticular screw...Transarticular screws; Atlantoaxial instability; Frameless stereotaxy; Cervical spine; Surgical navigation; Trajectory planning2005
167 Schmidt, Meic H.Surgical technique and results of endoscopic anterior spinal canal decompressionObject. Decompression of the spinal canal in the management of thoracolumbar trauma is controversial, but many authors have advocated decompression in patients with severe canal compromise and neurological deficits. Anterior decompression, corpectomy, and fusion have been shown to be more reliable f...Anterior approach; Anterior decompression; Spinal trauma; Endoscopy2005
168 Dailey, Andrew T.Guidelines for the performance of fusion procedures for degenerative disease of the lumbar spine. Part 1: introduction and methodologyAs scientific understanding of the pathophysiology of degenerative disease of the lumbar spine has increased, the possibilities for correcting the underlying problem and the resulting improvement in clinical function have expanded exponentially. Fueled by advances in material technology and surgica...Lumbar fusion; Lumbar spine; Degenerative disease; Practice guidelines2005
169 Dailey, Andrew T.Guidelines for the performance of fusion procedures for degenerative disease of the lumbar spine. Part 13: injection therapies, low-back pain, and lumbar fusionStandards. Facet injections are not recommended as long-term treatment for chronic low-back pain. Guidelines. There is insufficient evidence to recommend a treatment guideline. Options. The use of lumbar epidural injections or TPIs is not recommended as a treatment option for long-term relief of c...Fusion procedures; Degenerative disease; Lumbar spine; Injection therapies; Low-back pain; Lumbar fusion2005
170 Kestle, John R. W.High incidence of tumor dissemination in myxopapillary ependymoma in pediatric patientsP Myxopapillary ependymomas (MPEs) have historically been thought to be benign tumors occurring most frequently in adults. Only 8 to 20% of these tumors occur in the first two decades of life, making this tumor a rarity in pediatric neurosurgery. Five patients with intraspinal MPEs were treated by t...Myxopapillary ependymoma; Tumor dissemination2005
171 Couldwell, William T.False-negative magnetic resonance angiography with extracranial internal carotid artery stenosis: a report of two cases and review of the literatureMagnetic resonance angiography (MRA) is increasingly used as a noninvasive means to assess internal carotid artery (ICA) stenosis. When used alone, however, MRA may not be sufficiently accurate in certain settings to determine whether ICA disease meets surgical criteria. Although MRA has been recogn...Internal carotid artery stenosis; Magnetic resonance angiography2005
172 Schmidt, Meic H.Thoracoscopic spine surgery for decompression and stabilization of the anterolateral thoracolumbar spineThe anterior thoracolumbar spine can be exposed via a variety of approaches. Historically, open anterolateral or posterolateral approaches have been used to gain access to the anterior thoracolumbar spinal column. Although the exposure is excellent, open approaches are associated with significant pa...Endoscopic spinal surgery; Thoracic spine; Lumbar spine; Thoracoscopic spinal instrumentation2005
173 Dailey, Andrew T.Guidelines for the performance of fusion procedures for degenerative disease of the lumbar spine. Part 9: fusion in patients with stenosis and spondylolisthesisGuidelines. The performance of a lumbar PLF is recommended for patients with lumbar stenosis and associated degenerative spondylolisthesis who require decompression. There is insufficient evidence to recommend a treatment guideline. Options. Pedicle screw fixation as an adjunct to lumbar PLF should ...Fusion; Lumbar spine; Degenerative disease; Lumbar fusion2005
174 Dailey, Andrew T.Guidelines for the performance of fusion procedures for degenerative disease of the lumbar spine. Part 8: lumbar fusion for disc herniation and radiculopathyStandards. There is insufficient evidence to recommend a treatment standard. Guidelines. There is insufficient evidence to recommend a treatment guideline. Options. 1) Lumbar spinal fusion is not recommended as routine treatment following primary disc excision in patients with a herniated lumbar...Fusion; Lumbar spine; Degenerative disease; Lumbar fusion; Disc herniation; Radiculopathy2005
175 Kestle, John R. W.; Brockmeyer, Douglas LeeCranial base strategies for resection of craniopharyngioma in childrenThe optimal treatment of craniopharyngioma in children remains a challenge. The use of complete excision to minimize recurrence continues to be controversial because of the risk of postoperative morbidity and death. Advances in skull base approaches, modern microsurgical techniques, neuroimaging, an...Craniopharyngioma; Surgical approach; Skull base surgery2005
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