Abstract:
:This study of the posterior communicating artery (PCoA) in 126 cranial cavities of adult cadavers revealed some hitherto unreported anomalies. These included: the origin of one PCoA from the ophthalmic artery inside the optic canal; the presence of three PCoA's on one side; the occurrence of two posterior cerebral arteries of different origin on one side; and the existence of junctional dilatations at both ends of a PCoA. Junctional dilatation at the commencement of the artery was seen in 6.3% of cases. More common anomalies were a fetal type of posterior cerebral artery in 31.7% and macroaneurysmal dilatation of the PCoA in 39.7% of cases. The presence of multiple arteries makes possible normal circulation in cases involving obstruction to any one of them. The junctional dilatation or dilatation of any other part of the PCoA, if pre-aneurysmal, may leak or rupture to produce subarachnoid hemorrhage. Arteries pressing on the oculomotor nerve may produce diplopia, and those compressing the optic chiasm and tracts may cause visual defects.
journal_name
J Neurosurgjournal_title
Journal of neurosurgeryauthors
Bisaria KKdoi
10.3171/jns.1984.60.3.0572subject
Has Abstractpub_date
1984-03-01 00:00:00pages
572-6issue
3eissn
0022-3085issn
1933-0693journal_volume
60pub_type
杂志文章abstract::A consecutive series of 82 acromegalic patients who underwent transsphenoidal surgery during a 5-year period is presented. Preoperative and postoperative values for human growth hormone (HGH) were available in 80 cases. Microadenomas were present in 18 patients with a mean preoperative HGH value of 25.2 ng/ml, diffuse...
journal_title:Journal of neurosurgery
pub_type: 杂志文章
doi:10.3171/jns.1979.50.4.0454
更新日期:1979-04-01 00:00:00
abstract::A follow-up study was performed on 41 hydrocephalic children with primary (10 patients) or secondary (31 patients) placement of an anti-siphon device (ASD) connected to their shunt. The clinical course before and after ASD implantation was compared in these two groups, including studies of the head circumference, the ...
journal_title:Journal of neurosurgery
pub_type: 杂志文章
doi:10.3171/jns.1984.61.1.0156
更新日期:1984-07-01 00:00:00
abstract:OBJECT:The aim of this study was to examine the effect of postoperative external-beam radiation therapy (EBRT) on disease-specific survival in patients with nonbenign meningiomas. METHODS:The Surveillance, Epidemiology, and End Results (SEER) database from 1988 to 2007 was queried for cases of resected Grades II (atyp...
journal_title:Journal of neurosurgery
pub_type: 杂志文章
doi:10.3171/2012.7.JNS111439
更新日期:2012-10-01 00:00:00
abstract::A case is reported of eosinophilic granuloma at the cervicothoracic junction presenting with profound quadriparesis preoperatively. The patient underwent excision via an anterior approach, with splitting of the sternum to gain access to the T-1 vertebra. Postoperatively, he has had an excellent return of function. ...
journal_title:Journal of neurosurgery
pub_type: 杂志文章,评审
doi:10.3171/jns.1989.71.6.0942
更新日期:1989-12-01 00:00:00
abstract::A randomized double-blind placebo-controlled study was carried out to determine whether phenytoin administered soon after injury lessens the incidence of epilepsy in the 1st week after severe head trauma. In this study, 244 patients were randomized into either a phenytoin or placebo group. The patients in the phenytoi...
journal_title:Journal of neurosurgery
pub_type: 临床试验,杂志文章,随机对照试验
doi:10.3171/jns.1983.58.2.0231
更新日期:1983-02-01 00:00:00
abstract::Cerebral blood flow (CBF) was measured in 39 men at normocapnia and after 5% CO2 inhalation using the xenon-133 technique. Twenty-three patients had unilateral carotid artery occlusion with no angiographic evidence of contralateral carotid artery stenosis or ophthalmic collateral flow. Eleven of these patients had und...
journal_title:Journal of neurosurgery
pub_type: 杂志文章
doi:10.3171/jns.1988.69.1.0024
更新日期:1988-07-01 00:00:00
abstract::Spinal cord infarction in association with pneumococcal meningitis has not been previously recognized. The case is reported of a 5 1/2-year-old boy who had Streptococcus pneumoniae meningitis complicated by the sudden onset of flaccid paraplegia and loss of all sensory modalities below the level of T-2. At operation, ...
journal_title:Journal of neurosurgery
pub_type: 杂志文章
doi:10.3171/jns.1981.55.1.0121
更新日期:1981-07-01 00:00:00
abstract::A case of brain-stem hemangioma calcificans is described. The few cases reported in the literature prove the rarity of this tumor, which is considered a benign variant of cerebral cavernous hemangioma. Diagnosis and treatment of these tumors are briefly discussed with a review of the literature including 11 previous c...
journal_title:Journal of neurosurgery
pub_type: 杂志文章
doi:10.3171/jns.1983.59.1.0150
更新日期:1983-07-01 00:00:00
abstract::The translabyrinthine route or an extension of it was used to remove 150 acoustic nerve tumors. The mortality was 2% and the morbidity low. Preservation of the facial nerve was achieved in 100% of the small and 80% of the medium-sized tumors, but in only 20% of the large growths. The complications encountered are disc...
journal_title:Journal of neurosurgery
pub_type: 杂志文章
doi:10.3171/jns.1980.52.2.0210
更新日期:1980-02-01 00:00:00
abstract::The lower brainstem and cervical spinal cord from an ordinarily treated case of Chiari Type I hindbrain hernia associated with syringomyelia was examined using high-resolution magnetic resonance microscopy and standard neuropathological techniques. Magnetic resonance microscopy allows total screening and visualizes th...
journal_title:Journal of neurosurgery
pub_type: 杂志文章
doi:10.3171/jns.1996.85.4.0701
更新日期:1996-10-01 00:00:00
abstract::Giant paraclinoidal carotid artery aneurysms frequently require temporary interruption of local circulation to facilitate safe occlusion. Due to brisk retrograde flow through the ophthalmic artery and cavernous branches, simple trapping of the aneurysm by cervical internal carotid artery clamping and intracranial dist...
journal_title:Journal of neurosurgery
pub_type: 杂志文章
doi:10.3171/jns.1990.73.2.0305
更新日期:1990-08-01 00:00:00
abstract::Spinal cord injury without radiographic abnormality and asymptomatic Chiari I malformation have an unusual coincidence. A young boy who had recently fallen from his porch was transferred to the neurosurgery service with a high cervical central cord syndrome. Careful study demonstrated no radiographic abnormality and, ...
journal_title:Journal of neurosurgery
pub_type: 杂志文章,评审
doi:10.3171/jns.1993.79.6.0833
更新日期:1993-12-01 00:00:00
abstract::A transoral, transsphenoidal microsurgical technique for exposing the pituitary stalk and gland of the rhesus monkey is described and illustrated. The technique has proved to be a safe and practical method for performing a variety of pituitary operations in a total of 37 animals. The procedures have included complete ...
journal_title:Journal of neurosurgery
pub_type: 杂志文章
doi:10.3171/jns.1977.47.5.0663
更新日期:1977-11-01 00:00:00
abstract::Thirty-eight patients underwent transsphenoidal microsurgical treatment of non-neoplastic intrasellar cysts: 36 had cyst drainage and biopsy of the cyst wall, and in two the cyst was totally removed. Surgical morbidity was 8%. The mean follow-up time was 46.3 months; 100% patient follow-up evaluation was achieved. Six...
journal_title:Journal of neurosurgery
pub_type: 杂志文章
doi:10.3171/jns.1984.60.1.0008
更新日期:1984-01-01 00:00:00
abstract:OBJECT:Middle cerebral artery (MCA) aneurysms can be difficult to detect and characterize. The authors describe the utility and impact of helical computerized tomography (CT) angiography for the evaluation of aneurysms in this location, and compare this modality with digital subtraction (DS) angiography and intraoperat...
journal_title:Journal of neurosurgery
pub_type: 临床试验,杂志文章
doi:10.3171/jns.2002.97.6.1322
更新日期:2002-12-01 00:00:00
abstract:OBJECT:Hemispheric low-grade gliomas (LGGs) have an unpredictable progression and overall survival (OS) profile. As a result, the objective in the present study was to design a preoperative scoring system to prognosticate long-term outcomes in patients with LGGs. METHODS:The authors conducted a retrospective review wi...
journal_title:Journal of neurosurgery
pub_type: 杂志文章
doi:10.3171/JNS/2008/109/11/0817
更新日期:2008-11-01 00:00:00
abstract::Activated leukocytes appear to be directly involved in potentiating ischemic central nervous system (CNS) injury. Adhesion of leukocytes to endothelium is essential for their migration and requires the binding of adhesion receptors of the leukocyte (CD 18) to an intercellular adhesion molecule (ICAM) on endothelium. M...
journal_title:Journal of neurosurgery
pub_type: 杂志文章
doi:10.3171/jns.1991.75.4.0623
更新日期:1991-10-01 00:00:00
abstract:OBJECT:Neurogenesis continues throughout the life of mammals in the subventricular zone (SVZ) of the lateral ventricles and the dentate gyrus (DG) of the hippocampus. The authors tested the potential of the neuropeptide substance P (SP) acting via the neurokinin-1 receptor (NK1R) in promoting the proliferation of adult...
journal_title:Journal of neurosurgery
pub_type: 杂志文章
doi:10.3171/JNS-07/09/0593
更新日期:2007-09-01 00:00:00
abstract:OBJECT:The role of postoperative radiotherapy in patients undergoing first-time resection of WHO Grade II meningioma remains unclear as reflected by varied practices in published clinical studies and national professional surveys. Much of the relevant literature is based on pre-2000 WHO grading criteria for atypical me...
journal_title:Journal of neurosurgery
pub_type: 杂志文章
doi:10.3171/2011.5.JNS11112
更新日期:2011-10-01 00:00:00
abstract:OBJECTIVE:The brainstem is a compact, delicate structure. The surgeon must have good anatomical knowledge of the safe entry points to safely resect intrinsic lesions. Lesions located at the lateral midbrain surface are better approached through the lateral mesencephalic sulcus (LMS). The goal of this study was to compa...
journal_title:Journal of neurosurgery
pub_type: 杂志文章
doi:10.3171/2019.1.JNS182036
更新日期:2019-04-12 00:00:00
abstract::The authors report a case of craniopharyngioma in a newborn infant. Marked hydrocephalus of the fetal head was recognized in the pelvimetric roentgenograms of the mother and massive suprasellar calcification was seen in the plain skull films. ...
journal_title:Journal of neurosurgery
pub_type: 杂志文章
doi:10.3171/jns.1975.42.1.0091
更新日期:1975-01-01 00:00:00
abstract:OBJECT:An increasing number of patients with vestibular schwannomas (VSs) are being treated with radiosurgery. Treatment failure or secondary regrowth after radiosurgery, however, has been observed in 2%-9% of patients. In large tumors that compress the brainstem and in patients who experience rapid neurological deteri...
journal_title:Journal of neurosurgery
pub_type: 杂志文章
doi:10.3171/2011.12.JNS111682
更新日期:2012-04-01 00:00:00
abstract::A 9-week-old infant manifested continuous vomiting for 1 week accompanied by a tense fontanel, "sun setting" of the eyes, frequent opisthotonos, and hypertonicity. The head circumference was at the 50th percentile. Computerized tomography (CT) revealed acute hydrocephalus and a posterior fossa subdural hematoma. The b...
journal_title:Journal of neurosurgery
pub_type: 杂志文章
doi:10.3171/jns.1977.47.6.0949
更新日期:1977-12-01 00:00:00
abstract:OBJECT:Iliac crest bone graft harvesting can result in major complications, the rates of which range from approximately 6 to 8%. The objective of this study was to evaluate the postoperative regeneration of iliac crest donor defects in an animal model after harvesting a full-thickness tricortical graft. METHODS:In ske...
journal_title:Journal of neurosurgery
pub_type: 杂志文章
doi:10.3171/spi.2002.97.4.0456
更新日期:2002-11-01 00:00:00
abstract::OBJECTIVEPathology in the region of the basilar quadrifurcation, anterolateral midbrain, medial tentorium, and interpeduncular and ambient cisterns may be accessed anteriorly via an orbitozygomatic (OZ) craniotomy. In Part 1 of this series, the authors explored the anatomy of the oculomotor-tentorial triangle (OTT). I...
journal_title:Journal of neurosurgery
pub_type: 杂志文章
doi:10.3171/2018.2.JNS173141
更新日期:2018-06-01 00:00:00
abstract::The authors report a series of 71 patients with intracerebral hemorrhage: 57 underwent surgery and 14, although suitable candidates for surgery, refused operation. The results are assessed in relation to the site of the hemorrhage, mode of onset, and interval between accident and operation. ...
journal_title:Journal of neurosurgery
pub_type: 杂志文章
doi:10.3171/jns.1975.43.5.0590
更新日期:1975-11-01 00:00:00
abstract:OBJECT:An approach toward the treatment of intracranial gliomas was developed in a rat experimental model. The authors investigated the ability of "professional" antigen-presenting cells (dendritic cells) to enhance host antitumor immune responses when injected as a vaccine into tumor-bearing animals. METHODS:Dendriti...
journal_title:Journal of neurosurgery
pub_type: 杂志文章
doi:10.3171/jns.1999.90.6.1115
更新日期:1999-06-01 00:00:00
abstract:OBJECT:The various terms used to describe subdural fluid collection--"external hydrocephalus", "subdural hygroma", "subdural effusion", "benign subdural collection", and "extraventricular obstructive hydrocephalus"-reflect the confusion surrounding the diagnoses of these diseases. Differentiating external hydrocephalus...
journal_title:Journal of neurosurgery
pub_type: 杂志文章
doi:10.3171/jns.2006.105.1.65
更新日期:2006-07-01 00:00:00
abstract::To evaluate the reported benefit of ipsilateral single-application ophthalmic anesthetic eyedrops in patients with typical trigeminal neuralgia, a randomized double-blind placebo-controlled trial was performed. Forty-seven patients were randomly assigned to receive two drops of either proparacaine (25 cases) or saline...
journal_title:Journal of neurosurgery
pub_type: 临床试验,杂志文章,随机对照试验
doi:10.3171/jns.1994.80.6.0993
更新日期:1994-06-01 00:00:00
abstract:OBJECT:Opercular glioma inferolateral to the hand/digit sensorimotor area can be resected safely using a neuronavigation system and functional brain mapping techniques. However, the surgery can still sometimes cause postoperative ischemic complications, the character of which remains unclear. The authors of this study ...
journal_title:Journal of neurosurgery
pub_type: 杂志文章
doi:10.3171/jns.2007.106.2.263
更新日期:2007-02-01 00:00:00