abstract：:Experimental gliomas were induced in rats by prenatal exposure to ethyl nitrosourea. Changes in the blood-brain barrier were determined by the uptake of a water-soluble compound, 99mTc-glucoheptonate. Increased uptake of 99mTc-glucoheptonate was measured in intact tumors and in various sectors of dissected tumors. The...

journal_title：Neurosurgery

authors： Nir I,Levanon D,Iosilevsky G

更新日期：1989-10-01 00:00:00

abstract：:Three patients with different neurological complaints were studied by magnetic resonance imaging. Coincidentally, all studies showed cystic changes within the pineal bodies. These cysts appeared hypointense on T1-weighted, spin-echo pulse sequences and hyperintense on T2-weighted images. Spin-density sequences display...

journal_title：Neurosurgery

authors： Sandhu JS,McLaughlin JR,Gomez CR

更新日期：1989-10-01 00:00:00

abstract：:Combining the power of stereotactic precision with open craniotomy in a stereotactic craniotomy technique decreases surgical time, morbidity, and postoperative hospitalization. Indications for its use are deep intrinsic masses 3.5 cm or less in diameter; small, superficial lesions otherwise difficult to localize; and ...

journal_title：Neurosurgery

authors： Moore MR,Black PM,Ellenbogen R,Gall CM,Eldredge E

更新日期：1989-10-01 00:00:00

abstract：:An extremely rare case of a basioccipital meningocele causing obstruction of the upper airway in a neonate is described. A transoral approach was used to remove the meningocele and repair the dural fistula. Bilateral posterior lateral pharyngeal releasing incisions were made to allow mucosal and muscle coverage over t...

journal_title：Neurosurgery

authors： Azizkhan RG,Cuenca RE,Powers SK

更新日期：1989-09-01 00:00:00

abstract：:Twenty patients who underwent early aneurysm surgery--that is, surgery within 72 hours after rupture--underwent further follow-up examination including magnetic resonance imaging (MRI) of the brain and a comprehensive neuropsychological assessment. Significant statistical correlation between tissue loss as seen on a l...

journal_title：Neurosurgery

authors： Romner B,Sonesson B,Ljunggren B,Brandt L,Säveland H,Holtås S

更新日期：1989-09-01 00:00:00

abstract：:Studies reporting the composition of cerebrospinal fluid obtained from hydrocephalic humans have been critically reviewed. Hydrocephalus-induced alterations in the cerebrospinal fluid concentrations of neurotransmitters and peptide neuromodulators, products of glycolysis and nucleotide metabolism, neural cell-derived ...

journal_title：Neurosurgery

authors： Del Bigio MR

更新日期：1989-09-01 00:00:00

abstract：:Microvascular endothelial cells were isolated from gerbil brain and cultured. These cells retained an endothelial-specific marker, FVIII-related antigen. Alkaline phosphatase activity was also present in early passage. Two weeks after plating, these cells were attached to the culture dishes and had become like cobbles...

journal_title：Neurosurgery

authors： Yoshida S,Minakawa T,Takai N,Tanaka R

更新日期：1989-09-01 00:00:00

abstract：:This experiment was designed to study the effects of intravascular volume expansion with crystalloid and colloid agents on intracranial pressure (ICP) and computerized electroencephalographic (EEG) data in dogs with cerebral vasogenic edema. A liquid nitrogen cold lesion was produced in the right parietal lobes of 30 ...

journal_title：Neurosurgery

authors： Tranmer BI,Iacobacci RI,Kindt GW

更新日期：1989-08-01 00:00:00

abstract：:Three patients, ages 69, 67, and 74 years, respectively, underwent surgical removal of cystic cerebellar astrocytomas. All three had past histories pointing to the existence of a cerebellar lesion for many decades prior to surgery: Patient 1 had had nystagmus on lateral gaze on the side of the tumor since early childh...

journal_title：Neurosurgery

authors： Kepes JJ,Whittaker CK,Watson K,Morantz RA,Millett R,Clough CA,Oxley DK

更新日期：1989-08-01 00:00:00

abstract：:A rare case of primary spinal intramedullary malignant melanoma at the T6 level in a 31-year-old man is presented. The tumor was partially removed, and neuroaxis irradiation up to 50 Gy was then administered. Subsequently, systemic interferon beta (specific activity, 2.0 X 10(8) IU/mg protein) therapy (total dose, 2.2...

journal_title：Neurosurgery

authors： Yamasaki T,Kikuchi H,Yamashita J,Asato R,Fujita M

更新日期：1989-07-01 00:00:00

abstract：:In a review of 147 patients with intracranial aneurysms surgically treated by one surgeon (FAD) between 1980 and 1987, 36 selected patients received intraoperative barbiturate protection with sodium thiopental during temporary arterial occlusion. Thiopental doses of 5 to 15 mg/kg were used. Twenty-nine of 36 (81%) had...

journal_title：Neurosurgery

authors： McDermott MW,Durity FA,Borozny M,Mountain MA

更新日期：1989-07-01 00:00:00

abstract：:Propionibacterium acnes was isolated in pure culture from brain abscesses that occurred in two patients after intracranial surgery. Although such infections are usually associated with cerebrospinal fluid shunts and other foreign bodies, these cases clearly demonstrate the pathogenicity of this anaerobic diphtheroid i...

journal_title：Neurosurgery

authors： Berenson CS,Bia FJ

更新日期：1989-07-01 00:00:00

abstract：:A new model of subacute compression of the spinal cord is described. Using an expanding epidural mass, a gradual, progressive, and highly reproducible neurological deficit was induced in rats over a 7-day period, resulting in paraplegia. Studies of spinal cord edema, disruption of the blood-spinal cord barrier, and so...

journal_title：Neurosurgery

authors： Arbit E,Galicich W,Galicich JH,Lau N

更新日期：1989-06-01 00:00:00

abstract：:Two patients with spinal dural arteriovenous malformations associated with intramedullary changes confirmed by the T2-weighted magnetic resonance imaging (MRI) scans are reported. The characteristics of the MRI findings for these 2 patients were as follows. 1) In the T2-weighted spin-echo image, intramedullary changes...

journal_title：Neurosurgery

authors： Isu T,Iwasaki Y,Akino M,Koyanagi I,Abe H

更新日期：1989-06-01 00:00:00

abstract：:Intraorbital paragangliomas are rare. A case of intraorbital paraganglioma with extension to the middle cranial fossa is reported. Progressive throbbing, hemicranial headaches, unilateral proptosis, and visual failure are the presenting symptoms. The computed tomographic and operative findings suggested a meningioma. ...

journal_title：Neurosurgery

authors： Venkataramana NK,Kolluri VR,Kumar DV,Rao TV,Das BS

更新日期：1989-05-01 00:00:00

abstract：:Evidence has accumulated that indicates that laminectomy with or without radiotherapy is not necessarily the best mode of treatment for all cases of spinal cord compression of malignant pathogenesis. Success is limited, and there is a high risk of adverse neurological developments, particularly where there is anterior...

journal_title：Neurosurgery

authors： Moore AJ,Uttley D

更新日期：1989-05-01 00:00:00

abstract：:A silicone, dual cuffed catheter designed for the control of nasal hemorrhage was used for rectal sphincter pressure monitoring. Patients with lipomyelomeningocele and tethered spinal cord were monitored during their operative procedures to aid in distinguishing sacral nerve roots from other tissues. Stimulation of sa...

journal_title：Neurosurgery

authors： Hellbusch LC,Nihsen BJ

更新日期：1989-05-01 00:00:00

abstract：:Intracranial epidermoid and dermoid tumors are unusual benign lesions that are potentially curable. Subtotal removal carries a high incidence of recurrence, plus the rare possibility of carcinomatous degeneration of the remnants. Aseptic meningitis from spillage of cyst contents into the subarachnoid space is frequent...

journal_title：Neurosurgery

authors： Abramson RC,Morawetz RB,Schlitt M

更新日期：1989-04-01 00:00:00

abstract：:Seventy-five patients older than 60 years of age underwent surgical resection of intracranial meningiomas during a 10-year period at a single institution. All patients had a computed tomographic scan preoperatively, and all were followed for at least 3 months postoperatively. There were 50 patients 61 to 70 years of a...

journal_title：Neurosurgery

authors： Awad IA,Kalfas I,Hahn JF,Little JR

更新日期：1989-04-01 00:00:00

abstract：:A case of subependymoma of the spinal cord in the cervical region is presented. Our experience with this patient and the seven cases of spinal cord subependymoma previously reported show that this tumor predominates in the cervical region and in males (3:1). Although radical removal is considered the rational goal of ...

journal_title：Neurosurgery

authors： Vaquero J,Martinez R,Vegazo I,Pontón P

更新日期：1989-04-01 00:00:00

abstract：:In patients with subarachnoid hemorrhage, delayed neurological deficits, often followed by infarction, are believed to result from ischemia caused by vasospasm. Cerebral blood flow (CBF) data have been useful in predicting the risk of vasospasm in these patients and in distinguishing those deficits caused by vasospasm...

journal_title：Neurosurgery

authors： Yonas H,Sekhar L,Johnson DW,Gur D

更新日期：1989-03-01 00:00:00

abstract：:High upper thoracic sympathectomy using microsurgical techniques aided by electrical stimulation of the sympathetic chain is described. Use of the microscope facilitates identification and dissection of the sympathetic chain and minimizes the risk of pleural damage. Electrical stimulation of the sympathetic chain esta...

journal_title：Neurosurgery

authors： Lindquist C,Fedorcsak I,Steig PE

更新日期：1989-03-01 00:00:00

abstract：:An original stereotactic radiosurgical approach coupling a) Talairach's stereotactic methodology, b) a specially devised mechanical system, and c) a linear accelerator is detailed. The authors present their preliminary results on 66 patients with nonsurgical intracranial arteriovenous malformations. The doses delivere...

journal_title：Neurosurgery

authors： Betti OO,Munari C,Rosler R

更新日期：1989-03-01 00:00:00

abstract：:In a retrospective study of 48 patients who underwent elective surgery for cerebral arteriovenous malformations, a statistical analysis of demographic, clinical, and neuroradiological data was undertaken in order to discover the best predictors of operative morbidity. In addition, the predictive value of different cli...

journal_title：Neurosurgery

authors： Steinmeier R,Schramm J,Müller HG,Fahlbusch R

更新日期：1989-02-01 00:00:00

abstract：:A case of symptomatic Rathke's cleft cyst is described. In spite of the intrasellar component and radiological and clinical evidence of involvement of the pituitary gland, the sella turcica was minimally involved. MRI afforded optimal visualization and localization of the intra- and suprasellar components vis-à-vis th...

journal_title：Neurosurgery

authors： Wagle VG,Nelson D,Rossi A,Uphoff D

更新日期：1989-02-01 00:00:00

abstract：:The natural history of postirradiation extracranial cerebrovascular disease is uncertain. Previous reported cases spanning 20 years of carotid surgery are difficult to evaluate, because patients may sometimes have unspecified symptoms, physical examinations, postoperative results, and follow-up. Also, the evolution of...

journal_title：Neurosurgery

authors： Atkinson JL,Sundt TM Jr,Dale AJ,Cascino TL,Nichols DA

更新日期：1989-02-01 00:00:00

abstract：:Two case reports of compression of the cervical spinal cord associated with silicone-coated Dacron dural grafts are presented. In both cases, the cervical spinal cord was distorted and compressed by an intense tissue reaction that encapsulated the synthetic graft. At least two factors are thought to play a role in pre...

journal_title：Neurosurgery

authors： Gomez H,Little JR

更新日期：1989-01-01 00:00:00

abstract：:Granulocytic sarcoma (GS) usually occurs during the course of, or as a presenting sign of myelogenous leukemia. Rarely it is found before peripheral blood or bone marrow evidence of leukemia is present. We describe a man who presented with low back pain and lower extremity weakness. He had spinal cord compression due ...

journal_title：Neurosurgery

authors： Ripp DJ,Davis JW,Rengachary SS,Lotuaco LG,Watanabe IS

更新日期：1989-01-01 00:00:00

abstract：:The influence of nitrous oxide on motor evoked potential (MEP) elicited in rats by cortical and midcervical electrical stimulation was studied and compared with early components of somatosensory evoked potential (SEP) following stimulation of the posterior tibial nerve in 6 rats. We found that nitrous oxide gradually ...

journal_title：Neurosurgery

authors： Zentner J,Ebner A

更新日期：1989-01-01 00:00:00

abstract：:Meningiomas have a wide range of biological potential and clinical behavior. Histological findings are helpful in recognizing the malignant potential of a given tumor, but often fail to correlate with gross features, liability of recurrence, and extent of associated cerebral edema. To find alternate approaches to impr...

journal_title：Neurosurgery

authors： Crone KR,Challa VR,Kute TE,Moody DM,Kelly DL Jr

更新日期：1988-12-01 00:00:00

abstract：:The authors report the unusual case of an aneurysm arising on an extracranial loop of the left posterior inferior cerebellar artery (PICA). The computed tomographic scan showed an isolated hemorrhage in the lateral ventricles, and the lesion was recognized 1.5 cm below the foramen magnum at the level of the atlas. The...

journal_title：Neurosurgery

authors： Ruelle A,Cavazzani P,Andrioli G

更新日期：1988-12-01 00:00:00

abstract：:Chiari malformations without myelodysplasia are rarely diagnosed in the pediatric age group. With current neurodiagnostic techniques, however, they are being seen more frequently. Unfortunately, the prognosis is not clear because publications have included a number of different entities, used a variety of surgical app...

journal_title：Neurosurgery

authors： Dyste GN,Menezes AH

更新日期：1988-11-01 00:00:00

abstract：:Transcranial stab wounds are uncommon. Three such cases are presented. The severity of the wounds may vary from innocuous to devastating. Skull films are useful in delineating the depth of penetration. The presence of the knife blade in situ may make the computed tomographic scan impossible to perform or difficult to ...

journal_title：Neurosurgery

authors： Herring CJ,Lumsden AB,Tindall SC

更新日期：1988-11-01 00:00:00

abstract：:A case of postoperative tension pneumocephalus of unusual cause after carotid-ophthalmic artery aneurysm clipping is presented. A second craniotomy for decompression and exploration demonstrated a small fistula in the planum sphenoidale, which presumably had been made when the right optic canal was unroofed during the...

journal_title：Neurosurgery

authors： Asai A,Yamada H,Tsutsumi K,Takakura K

更新日期：1988-11-01 00:00:00

abstract：:There is general agreement that aggressive management and monitoring of the patient with closed head injury with control of intracranial pressure (ICP) will improve patient survival and eventual outcome. Conversely, there is little agreement on the value of surgical craniectomy for increasing intracranial volume and s...

journal_title：Neurosurgery

authors： Gower DJ,Lee KS,McWhorter JM

更新日期：1988-10-01 00:00:00

abstract：:A 23-year-old pregnant woman presented with sudden diplopia, ataxia, hemiparesis, and headache secondary to a brain stem hemorrhage. Magnetic resonance imaging (MRI) revealed a hematoma associated with a probable cavernous hemangioma of the rostral brain stem. In this report, we discuss the MRI findings leading to the...

journal_title：Neurosurgery

authors： Ondra SL,Doty JR,Mahla ME,George ED

更新日期：1988-10-01 00:00:00

abstract：:Trephination is the oldest known surgical technique. Peru has been recognized as a major source of ancient trephined skulls, many of which date back 2300 years. This presentation reviews from a neurosurgical perspective many of the archaeological studies performed on these skulls. Comparative osteology has shown that ...

journal_title：Neurosurgery

authors： Rifkinson-Mann S

更新日期：1988-10-01 00:00:00

abstract：:Clinical decision analysis is applied to the treatment decisions for four patients with unruptured familial aneurysms. The surgical treatment was uneventful in all patients except one with mild mixed aphasia and facial weakness postoperatively; these deficits disappeared in less than 2 years. In the decision analysis,...

journal_title：Neurosurgery

authors： ter Berg HW,Dippel DW,Habbema JD,Bijlsma JB,van Gijn J,Tulleken CA,Willemse J

更新日期：1988-09-01 00:00:00

abstract：:Immunocytochemical characterization of choroid plexus neoplasms was performed in seven cases, five being of benign choroid plexus papilloma (CPP) and the other two of malignant choroid plexus papilloma (choroid plexus carcinoma CPC). Immunohistochemical examination was performed with antibodies to glial fibrillary aci...

journal_title：Neurosurgery

authors： Matsushima T,Inoue T,Takeshita I,Fukui M,Iwaki T,Kitamoto T

更新日期：1988-09-01 00:00:00

abstract：:Excessive mechanical stress on the intervertebral disc may be one of the causes of low back pain. Most studies testing this thesis, however, have been based on quantification of the mechanical response of functional units at failure. Typically, radiography is used to demonstrate trauma to the vertebral body at the fai...

journal_title：Neurosurgery

authors： Yoganandan N,Maiman DJ,Pintar F,Ray G,Myklebust JB,Sances A Jr,Larson SJ

更新日期：1988-08-01 00:00:00