Clinical Neuroscience

[Primary intramedullary glioblastoma multiforme of the spinal cord: report of eight cases]

BANCZEROWSKI Péter, SIMÓ Magdolna, SIPOS László, SLOWIK Felícia, BENOIST György, VERES Róbert

FEBRUARY 20, 2003

Clinical Neuroscience - 2003;56(01-02)

[Primary glioblastoma multiforme located intramedullary in the spinal cord is a very rare entity. The authors report eight cases and discuss the clinical features, the possibility of diagnosis, combinated treatment and pathomorphological signs focusing on the relevant literature and their experience.]

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[Unusually located metastatic tumors of the spine]

BAZSÓ Péter, NAGY László

[Metastatic spine tumors are representing a growing number of oncological patients. In this paper the authors would like to focus on a rare type of metastatic spine tumors, the unusually located ones. Since the advent of MRI and with the progress in general oncology this formerly rare tumors became more frequently recognized. Consequently these tumors are causing a new challenge for the oncologists, neurologists and neurosurgeons as well. The aim of the authors with this paper was to raise, especially the neurologists' attention to this emerging problem.]

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[Changes in the approach and the methods in acute surgical treatment of severe thoraco-lumbar spinal injuries]

ZSOLCZAI Sándor, PENTELÉNYI Tamás

[The authors show the changes in the approach and methods concerning the acute surgical treatment of severe thoracolumbar spinal injuries. In the past 15 years, 878 acute surgical treatments have been done with ventral-, dorsal or combined method. The results are evaluated from the point of view of neurological function recovery, bony union, restoration of patients' comfort and complications. Authors discuss the changes of past 15 years regarding the basic ideas of the treatment of spinal injuries, the indications and methods of modern surgical techniques. The use of new surgical methods which are closely connected to the biomechanical characteristics of the injured spine are stressed, as well as the importance of the primary definitive ventral surgical treatment, in the case of a severe thoraco-lumbar spine injury.]

Clinical Neuroscience

[Spinal stabilizations in our department 1989-2002]

HÁVEL János, GÖBÖL László, GÖRÖMBEY Zoltán, KISS Tibor, LAJKÓ Albert, VALÁLIK István, VIOLA Árpád, JULOW Jenő

[With the aim to compare results to those found in the literature, authors present a retrospective overview of the spinal stabilisations carried out in the Neurosurgical Department at the St. John’s Hospital, Budapest, Hungary between 1989 and 2002. This 37 bed department provides neurosurgical services to the Buda region with its one million inhabitants. Out of 156 000 injuries in total in the past 13 years, the department has dealt with 9360 neurotraumatologic cases, 560 of them suffering from spinal injuries. In parallel, non-traumatic cases were also treated for tumour, infections, degenerative diseases and for the instability of the spine. The 224 stabilised cases were classified into three groups: cervical, thoracic, lumbar. The authors enumerate the type of operation in each level and they present the number of cases belonging to each type. Septic complications occured in 2.5% of cases. Screw breaking or slackening of the implanted devices was observed in 2% of the cases. The types of spinal operations applied provide satisfactory method for controlling the problems caused by the instability the spinal trauma, degenerative and tumourous cases. These results do not diverge from those found in the literature.]

Clinical Neuroscience

[Percutaneous-transpedicular acrylat vertebroplasty for treatment of lumbar vertebral hemangioma - case report]

KASÓ Gábor, STEFANITS János, KÖVÉR Ferenc, DÓCZI Tamás, HORVÁTH Gábor

[The authors present the management of a patient suffering from lumbar vertebral hemangioma. Percutaneous transpedicular acrylate vertebroplasty was performed. This method has widely been used for the treatment of pathological vertebral bodies of different aetiology. A brief rewiev of the literature of previous and current methods is presented. A detailed discussion is given why vertebroplasty was used in contrast to the radiological investigation where the patient's hemangioma proved to be a non-agressive type. According to the authors' knowledge this is the first Hungarian publication of acrylate vertebroplasty for the treatment of vertebral hemangioma.]

Clinical Neuroscience

[The value of motor evoked potentials in the diagnosis of spondylotic myelopathy]

SIMÓ Magdolna, ARÁNYI Zsuzsanna

[Introduction - Motor evoked potential (MEP) is the only method that is able to assess the function of the corticospinal tract in various neurological conditions, such as myelopathies. Myelopathy associated with cervical spondylosis, especially at an early stage, has often slight and non-specific clinical signs, pointing to the importance of the electrophysiological assessment of the spinal cord. The authors' aim was to investigate the sensitivity of MEP examination in the detection of myelopathy secondary to cervical spondylosis. Patients and methods - Patients were classified into three groups according to clinical signs and symptoms: Group I includes patients who have cervical spondylosis as demonstrated by MRI (narrowing of the spinal canal, discal herniation, spinal cord compression) but no complaints or signs suggestive of myelopathy. Results - In Group II patients had minor, non-specific complaints, such as paraesthesia of the legs and gait disturbance raising the possibility of myelopathy, but neurological examination revealed no pyramidal signs. In Group III patients had pyramidal signs as well. In Group I corticospinal function was normal in all patients, as assessed by MEP examination. In Group II all patients had prolonged central motor conduction time or absent responses to cortical stimulation. Likewise, in Group III MEP revealed abnormal corticospinal function in all patients but one. Conclusions - In summary, MEP proved sensitive in the detection of corticospinal dysfunction in myelopathy associated with cervical spondylosis at a stage when clinical signs of pyramidal lesion are not yet present and patients have only minor complaints. On the other hand, if patients are completely symptom free with regard to myelopathy, MEP is also unlikely to disclose corticospinal dysfunction. If pyramidal lesion is evident already by clinical examination, MEP provides no further help. ’Falsenegative’ results are also possible.]

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[MR examination of thoracic herniation of the spinal cord]

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[Transdural herniation of the spinal cord is thought to be previously extremely rare and very often misdiagnosed. Possible reasons may be iatrogenic and traumatic or in about one third of cases it may be unknown, where the probable origin might be a congenital dural defect. The pathology may show characteristic and misleading MR patterns of the thoracic spine, emphasising the importance of these patterns. This anomaly can lead to progressive Brown-Sequard syndrome. Surgical intervention, consisting the repair of the dural defect may result in improvement or even complete regression of the neurologic deficits.]

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[Surgery of ventral intradural midline cervical spinal pathologies via anterior cervical approach: our experience]

BANCZEROWSKI Péter, LIPÓTH László, VAJDA János, VERES Róbert

[Introduction - The surgical removal of the cervical intradural pathologies located ventrally carries a high risk. According to the anatomical situation and the increasing experience with anterior cervical approach and corpectomy revealed the reality to remove the ventral midline pathologies this way. The anterior approach which require corpectomy preferable to cervical intradural lesions located ventrally at the midline. In the literature have described anterior approach for intradural cervical lesions in very limited cases. Case - The authors present five cases of intradural ventral cervical spinal pathologies, where removal was done via anterior cervical approach with corpectomy. Two of the cases were intradural meningeomas, one intramedullary cavernoma, one ventral arachnoid cyst and one malignant neurogenic tumour. The approach was described elsewhere. The corpectomy gave a relatively wide window to explore the pathologies and under operative microscope the local control of removal was fairly well. After the total removal of tumours and cavernoma, and fenestration of arachnoid cyst to the subarachnoid space watertight dural closure was made and the cervical spine was stabilized with autolog iliac bone graft, plate and screws. The recovery of the patients was well and there were no postoperative complications. Conclusions - The anterior cervical approach with corpectomy seems to be a real and safe way to explore and remove the cervical ventral midline pathologies. Postoperative MRI has a great value in early control after the surgery and for follow up the patients.]

Clinical Neuroscience

[The role of transcranial magnetic stimulation in clinical diagnosis: motor evoked potential (MEP)]

ARÁNYI Zsuzsanna, SIMÓ Magdolna

[Transcranial magnetic stimulation allows painless, non-invasive stimulation, neurophysiological evaluation of nervous structure covered by bone or difficult to access for other reasons. In the clinical setting the technique is mainly used for the investigation of the corticospinal tract (motor evoked potential: MEP). Based upon our experience with patients examined over the course of four years, we have attempted to highlight the clinical situations, where diagnostic help is provided by this technique. MEP in general has proved to be a sensitive and reliable examination. Its significance is apparent mainly in situations where clinical signs of corticospinal tract dysfunction are not evident, or they are masked by lower motoneurone involvement, and where neuroimaging techniques are not informative. The demonstration of subclinical corticospinal lesion is often essential to establish the diagnosis in multiple sclerosis and amyotrophic lateral sclerosis. The technique however received little attention so far with respect to its role in the diagnosis of various spinal cord disorders, and in the demonstration of intact corticospinal function in case of weakness, psychogenic in origin. We have endeavoured to provide further evidence in support of this, and thereby advocating a wider clinical application of the technique.]

Clinical Neuroscience

Long-term follow-up results of concomitant chemoradiotherapy followed by adjuvant temozolomide therapy for glioblastoma multiforme patients. The importance of MRI information in survival: Single-center experience

LUKÁCS Gábor, TÓTH Zoltán, SIPOS Dávid, CSIMA Melinda, HADJIEV Janaki, BAJZIK Gábor, CSELIK Zsolt, SEMJÉN Dávid, REPA Imre, KOVÁCS Árpád

Introduction - Glioblastoma multiforme (GBM) is the most common malignant primary anomaly of central nervous system. The GBM infiltrates the nearly sturctures from the initial tumor and its metastatic attribution is well known. The aim of our single-centered retrospective study was to introduce the importance of postoperative medical imaging confirmation of total tumor resection for patient with GBM combined concomitant and adjuvant chemoradiotherapy on a 10 year long patient follow up. Methods - From January 2006 to April 2015 we registered 59 patients with newly diagnosed GBM at the University of Kaposvár Health Center Institute of Diagnostic Imaging and Radiation Oncology. The histological diagnosis was confirmed by a proficient neuropathologist (World Health Organisation WHO; grade IV astrocytoma). According to histological status if the ECOG performance status of patients allowed it the mutidisciplinary oncoteam recommended adjuvant chemoradiotherapy all features strictly by Stupp protocol. (60 Gy dose on the gross tumor volume and 2-3 cm margin for the clinical target volume with parallel 75 mg/m2 TMZ. Four weeks after monotherapial phase patients had to recieve 6 cycles of TMZ first cycle with 150 mg/m2 up to 200 mg/m2). The irradiation was carried out by a conformal three dimensional planning system. Results - 59 patients with the median age of 63 (range 17-84) year. Our sample counted 34 male patients and 25 woman patients. 14 patients underwent gross total tumor resection while, 39 patients underwent partial resection and the rest from our sample 6 patients passed through biopsy. Statistical analysis showed a lengthier survival among males than females, with a median survival of 13 months for males and females, the OS of 26.209 for males, meanwhile 15.625 for females. However, the difference is not considerable (log-rank p=0.203). Our study found that the estimated survival of patients at least 50 years old is significantly shorter at a median survival of 12 months (log rank p=0.027) than that of patients below 50 years of age at a median survival of 23 months. The longest estimated median survival was calculated with patients of ECOG '0' condition (16 months). However, no significant difference was found in the estimated survival of patients of different ECOG conditions (log-rank p=0.146). Based on the extent of surgery, complete resection resulted in the longest average survival of 36.4 months, followed by 21.5 months among patients with biopsy, and 15.8 months among patients with partial resection. Different surgical procedures, however, did not result in significant differences in survival (log-rank p=0.059). The overal survival of patients who had complete resection confirmed by MRI compared with the overal survival of patients with residual tumor confirmed by MRI as well we can estimate that there is significant difference between these two groups (p=0,004). Conclusion - Despite complex and intense treatment, recurrence is inevitable and causes relatively rapid death. In our analysis complete resection, as defined from the neurosurgeon’s report and postoperative MRI, resulted in an independently significant improvement in OS. Our results are the evidences that the treatment of patients with glioblastoma multiforme in Hungary is at least on the same level as any other developed European countries.