Postoperative magnetic resonance imaging artifacts. Report of three cases.

abstract：:A 42-year-old man suffered a head injury in a road traffic accident and subsequently developed anosmia and isolated adrenocorticotropic hormone (ACTH) deficiency. There was no other evidence of pituitary dysfunction. No previous case of isolated ACTH deficiency following head injury has been reported. ...

journal_title：Journal of neurosurgery

authors： Scoble JE,Havard CW

更新日期：1990-09-01 00:00:00

abstract：:Saccular intracranial aneurysms are a common and often fatal lesion. Whereas surgical treatment of these aneurysms continues to be the gold standard of care, certain situations arise for which surgery may not be the best option. In some of these cases, electrolytically detachable coils have been proven to provide outc...

journal_title：Journal of neurosurgery

authors： Levy DI,Ku A

更新日期：1997-04-01 00:00:00

abstract：OBJECT:Medulloblastoma is a malignant cerebellar tumor of childhood and is difficult to cure due to frequent cerebrospinal fluid dissemination. Amplification of the c-myc gene (4%) and messenger (mRNA) overexpression (50%) are known to be adverse prognostic indicators. Because mRNA overexpression cannot be explained by...

journal_title：Journal of neurosurgery

authors： Misaki K,Marukawa K,Hayashi Y,Fukusato T,Minamoto T,Hasegawa M,Yamashita J,Fujisawa H

更新日期：2005-03-01 00:00:00

abstract：OBJECT:Recurrent malignant gliomas have inherent resistance to traditional chemotherapy. Novel therapies target specific molecular mechanisms involved in abnormal signaling and resistance to apoptosis. The proteasome is a key regulator of multiple cellular functions, and its inhibition in malignant astrocytic lines cau...

journal_title：Journal of neurosurgery

authors： Bota DA,Alexandru D,Keir ST,Bigner D,Vredenburgh J,Friedman HS

更新日期：2013-12-01 00:00:00

abstract：OBJECT:The authors describe a method that utilizes an image-guided robotic radiosurgical apparatus (the CyberKnife) for treatment of cerebral arteriovenous malformations (AVMs). This procedure required the development of an original technique that allows a high degree of automation. METHODS:Angiographic images were im...

journal_title：Journal of neurosurgery

authors： Colombo F,Cavedon C,Casentini L,Francescon P,Causin F,Pinna V

更新日期：2009-10-01 00:00:00

abstract：OBJECT:At present, the administration of prophylactic antiepileptic medication following aneurysmal subarachnoid hemorrhage (SAH) is controversial, and the practice is heterogeneous. Here, the authors sought to inform clinical decision making by identifying factors associated with the occurrence of seizures following a...

journal_title：Journal of neurosurgery

authors： Ibrahim GM,Fallah A,Macdonald RL

更新日期：2013-08-01 00:00:00

abstract：OBJECT:The aim of this study was to investigate potential episodes of cerebral ischemia during surgery for large and complicated aneurysms, by examining the effects of arterial temporary clipping and the impact of confounding variables such as blood pressure and cerebrospinal fluid (CSF) drainage. METHODS:Brain tissue...

journal_title：Journal of neurosurgery

authors： Kett-White R,Hutchinson PJ,Al-Rawi PG,Czosnyka M,Gupta AK,Pickard JD,Kirkpatrick PJ

更新日期：2002-06-01 00:00:00

abstract：:A computer-based system has been developed for the integration and display of computerized tomography (CT) image data in the operating microscope in the correct perspective without requiring a stereotaxic frame. Spatial registration of the CT image data is accomplished by determination of the position of the operating...

journal_title：Journal of neurosurgery

authors： Roberts DW,Strohbehn JW,Hatch JF,Murray W,Kettenberger H

更新日期：1986-10-01 00:00:00

abstract：:Physiological variables were monitored in dogs and sheep after exposure of the brain to a pressure wave produced by a fluid-percussion device. Mean systemic arterial pressure (SAP), mean pulmonary arterial pressure (PAP), and pulmonary wedge pressure (PWP) were recorded prior to and following trauma. Lung lymph flows ...

journal_title：Journal of neurosurgery

authors： Millen JE,Glauser FL,Fairman RP

更新日期：1985-04-01 00:00:00

abstract：:The effect of clot removal on cerebral vasospasm was studied in 104 patients with aneurysmal subarachnoid hemorrhage (SAH). The series included patients who fulfilled all of the following criteria: operation was performed by Day 3 after the ictus; the patient's preoperative clinical grade was between Grades I and IV; ...

journal_title：Journal of neurosurgery

authors： Inagawa T,Yamamoto M,Kamiya K

更新日期：1990-02-01 00:00:00

abstract：OBJECT:The extent of peritumoral brain edema (PTBE) associated with meningiomas can be highly variable. The authors studied the correlation between the development of efferent venous drainage from the tumor and the degree of PTBE that occurs in intracranial meningiomas. METHODS:Twenty-five patients with 27 intracrania...

journal_title：Journal of neurosurgery

authors： Tanaka M,Imhof HG,Schucknecht B,Kollias S,Yonekawa Y,Valavanis A

更新日期：2006-03-01 00:00:00

abstract：:The author describes the history of neurosurgery in Manitoba, with particular emphasis on events that occurred after his arrival there in 1950. Highlights of global neurosurgery are spliced into the author's reminiscences to anchor the local history with that of neurosurgery as a whole. ...

journal_title：Journal of neurosurgery

authors： Parkinson D

更新日期：1995-05-01 00:00:00

abstract：:Autologous blood (0.3 to 5.0 ml) was introduced into the lumbar subarachnoid space of nine monkeys. Serial spinal cord arteriography was performed at frequent intervals over a 24-hour period. Magnification techniques permitted direct measurement of the anterior spinal artery and posterior spinal vein. Neither immediat...

journal_title：Journal of neurosurgery

authors： Doppman JL,Girton M

更新日期：1977-07-01 00:00:00

abstract：:Seven patients with spasticity of spinal cord origin have been maintained for up to 2 years with continuous spinal intrathecal infusion of baclofen. Prior to treatment, all of the patients had severe rigidity in their lower limbs and most had frequent and extensive spontaneous spasms, all of which greatly interfered w...

journal_title：Journal of neurosurgery

authors： Penn RD,Kroin JS

更新日期：1987-02-01 00:00:00

abstract：:The anterior condylar confluence (ACC) is located on the external orifice of the canal of the hypoglossal nerve and provides multiple connections with the dural venous sinuses of the posterior fossa, internal jugular vein, and the vertebral venous plexus. Dural arteriovenous fistulas (DAVFs) of the ACC and hypoglossal...

journal_title：Journal of neurosurgery

authors： Liu JK,Mahaney K,Barnwell SL,McMenomey SO,Delashaw JB Jr

更新日期：2008-08-01 00:00:00

abstract：:In this study the authors examine the historical tradition as well as current features of neurosurgery in Greece and compare the available data with international standards. In particular, they describe the organizational structure of neurosurgery with reference to manpower, unit distribution, training, and qualificat...

journal_title：Journal of neurosurgery

authors： Stranjalis G,Singounas E

更新日期：1998-04-01 00:00:00

abstract：:A 24-hour intensive intravenous dosing regimen with the glucocorticoid steroid methylprednisolone has recently been shown to be effective in enhancing neurological recovery in spinal cord-injured patients when initiated within 8 hours after injury. The state of knowledge concerning the neuroprotective pharmacology of ...

journal_title：Journal of neurosurgery

authors： Hall ED

更新日期：1992-01-01 00:00:00

abstract：:Cranial and spinal trauma resulted in disseminated intravascular coagulation (DIC) in a 78-year-old man, causing widespread bleeding and incoagulable blood. Traumatized brain tissue was found in the lumina of dural venous sinuses. The mechanisms of DIC are reviewed. It is suggested that intravascular release of potent...

journal_title：Journal of neurosurgery

authors： Clark JA,Finelli RE,Netsky MG

更新日期：1980-02-01 00:00:00

abstract：OBJECTIVE:Endoscopic surgery is an effective treatment strategy for pituitary adenomas; however, intrinsic tumor properties such as tumor consistency can challenge or preclude gross-total resection. Preoperative characterization of tumor consistency may help to guide the surgical approach and to predict the extent of r...

journal_title：Journal of neurosurgery

authors： Rutland JW,Loewenstern J,Ranti D,Tsankova NM,Bellaire CP,Bederson JB,Delman BN,Shrivastava RK,Balchandani P

更新日期：2020-02-28 00:00:00

abstract：:OBJECTIVE In the present study the authors aimed to determine preferred locations of meningiomas by avoiding descriptive analysis and instead using voxel-based lesion mapping and 3D image-rendering techniques. METHODS Magnetic resonance images obtained in 248 treatment-naïve meningioma patients with 260 lesions were r...

journal_title：Journal of neurosurgery

authors： Hirayama R,Kinoshita M,Arita H,Kagawa N,Kishima H,Hashimoto N,Fujimoto Y,Yoshimine T

更新日期：2018-06-01 00:00:00

abstract：OBJECT:Because little is known about the molecular mechanisms underlying the process of spondylosis, the authors examined the extent of genetic localization of several members of bone morphogenetic protein (BMP) and BMP receptors in chondrogenesis during the process of inducing spondylosis in their previously establish...

journal_title：Journal of neurosurgery

authors： Nakase T,Ariga K,Miyamoto S,Okuda S,Tomita T,Iwasaki M,Yonenobu K,Yoshikawa H

更新日期：2001-01-01 00:00:00

abstract：OBJECT:Ascites and abdominal pseudocysts are two complications that can occur following placement of a ventriculoperitoneal (VP) shunt. Although various factors have been implicated, the exact pathogenesis of the two conditions remains elusive. To the authors' knowledge, there are no studies in which these two obviousl...

journal_title：Journal of neurosurgery

authors： Kariyattil R,Steinbok P,Singhal A,Cochrane DD

更新日期：2007-05-01 00:00:00

abstract：:Superior sagittal sinus thrombosis was diagnosed on computerized tomography (CT) scanning and was subsequently confirmed by angiography in two patients. Small ventricles and filling defects occurring within the sinus (the empty triangle sign) appeared to be highly suggestive of superior sagittal sinus thrombosis, and ...

journal_title：Journal of neurosurgery

authors： d'Avella D,Russo A,Santoro G,Pandolfo N,Cafarelli F,De Blasi F,del Vivo RE

更新日期：1984-12-01 00:00:00

abstract：:The authors present a case of spontaneous regression of a herniated cervical nucleus pulposus in a patient with myelopathy. This 37-year-old woman developed sudden quadriparesis; she had reported no history of trauma. Magnetic resonance (MR) imaging revealed a large disc herniation and increased signal intensity of th...

journal_title：Journal of neurosurgery

authors： Song JH,Park HK,Shin KM

更新日期：1999-01-01 00:00:00

abstract：:This article describes a new flexible bipolar neuroelectrode which is inserted percutaneously into the epidural space for segmental spinal cord stimulation. This electrode was used in experiments with dogs and monkeys for recording cortical somatosensory evoked potentials in order to identify intraoperative spinal cor...

journal_title：Journal of neurosurgery

authors： Kaschner AG,Sandmann W,Larkamp H

更新日期：1984-06-01 00:00:00

abstract：:The medical records and histological specimens from 26 patients with choroid plexus papillomas operated on at one institution were reviewed retrospectively. Four patients died perioperatively, and 21 of the remaining 22 patients were followed through March, 1986; the patient lost to follow-up review was last seen 14 y...

journal_title：Journal of neurosurgery

authors： McGirr SJ,Ebersold MJ,Scheithauer BW,Quast LM,Shaw EG

更新日期：1988-12-01 00:00:00

abstract：:The authors present the case of a 78-year-old woman who developed right lower-extremity paralysis after a focal seizure. Neuroradiological studies revealed a small parasagittal meningioma, which at the time of resection was found to contain a bacterial intratumoral abscess secondary to Proteus mirabilis. This is only ...

journal_title：Journal of neurosurgery

authors： Eisenberg MB,Lopez R,Stanek AE

更新日期：1998-05-01 00:00:00

abstract：OBJECT:The purpose of this paper was to define the general efficacy of and morbidity associated with stereoelectroencephalography using modem methods of imaging and to particularize the risks related to specific lobes of the brain. METHODS:All patients admitted to the Montreal Neurological Institute who had undergone ...

journal_title：Journal of neurosurgery

authors： De Almeida AN,Olivier A,Quesney F,Dubeau F,Savard G,Andermann F

更新日期：2006-04-01 00:00:00

abstract：:Cases of pigmented villonodular synovitis (PVNS) that affect the axial skeleton are rare and thus information regarding its natural history, treatment, and prognosis remains limited. To characterize this lesion more fully, the authors reviewed their experience with 12 cases of PVNS of the spine (one of which had been ...

journal_title：Journal of neurosurgery

authors： Giannini C,Scheithauer BW,Wenger DE,Unni KK

更新日期：1996-04-01 00:00:00

abstract：:A 48-year-old laborer presented with a 1-year history of low-back pain radiating into the posterior aspects of both thighs. Two weeks before admission, acute exacerbation resulted in signs and symptoms of compressive radiculopathy at L-5. Myelography revealed concentric constriction of the lower thecal sac due to abun...

journal_title：Journal of neurosurgery

authors： Archer CR,Smith KR Jr

更新日期：1982-10-01 00:00:00