Clinical Neuroscience

[Prognostic factors of primary spinal tumors]

LAZÁRY Áron1, BORS István Béla1, SZÖVÉRFI Zsolt1, RÓNAI Márton1, VARGA Péter Pál1

MAY 30, 2012

Clinical Neuroscience - 2012;65(05-06)

[Aims - Primary spinal tumors are rare diseases and there are less objective data in the international literature. We analyzed the epidemiology and clinical consequences of primary spinal tumors based on the clinical experience of the National Center for Spinal Disorders. Methods - Demographic and clinical data of 300 patients treated in our institute between 1995 and 2007 was collected retrospectively and analysed. Results - Beyond the relatively more frequent pathologies (chordoma, myeloma multiplex) we treated in our hospital some of the very rare types of tumors (spinal leiomyosarcoma, synovial sarcoma). Primary spinal tumors are most often located in the lumbosacral region causing most frequently (73%) local or radiating pain. Modern therapy of these patologies is based on the surgical intervention. Mean operation time was 130 minutes, mean blood loss was 650 ml in our pratice during these often technically challenging surgeries. We found a significant association among the operation time, the blood loss and the extension of the tumor (p<0.01). Histology (p<0.0001), severity of symptomes (p<0.05) and blood loss (p<0.05) were significantly related to mortality. Local recurrence was more than 5-fold in case of patients previously operated in another institute (p<0.0001). Conclusions - We successfully determined some significant prognostic factor on clinical behavior of primary spinal tumors performing a large scale retrospective study. Long time follow up of the patients and completion of our database with prospective data are planned for the future.]


  1. Országos Gerincgyógyászati Központ, Budapest



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[Effect of two month positive airway pressure therapy on the structure of sleep, cognitive function and anxiety]


[Obstructive sleep apnea is a common disorder, characterized by repeated episodes of upper airway obstruction during sleep, resulting intermittent hypoxia and disruption of the normal sleep pattern, which caused cognitive dysfunction in these patients. Nasal continuous positive airway pressure is the treatment of choice for this disorder. The aim of the study is to evaluate the effect of short-term positive airway pressure on sleep pattern (polisomnographic measures), cognitive function and anxiety. Twenty four newly diagnosed and previously untreated patients with obstructive sleep apnea were evaluated a battery of neuropsychological tests before and after 2 and a half months of the treatment. We focused on working memory, short and long-term episodic memory, executive functions, anxiety and subjective sleepiness. Our results showed that the two and half month of treatment improved the respiration during sleep, sleep pattern and the subjective sleepiness. We found improvement in short- and long-term verbal memory, and complex working memory. Despite of treatment we did not find improvement in visuospatial learning. These results reveal that 2 and a half months of positive airway pressure treatment restored not only the normal respiration during sleep and normal sleep pattern, but also the cognitive functions. Our study suggests that cognitive dysfunction is at least partial reversible in obstructive sleep apnea patients after positive airway pressure treatment.]

Clinical Neuroscience

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Clinical Neuroscience



Clinical Neuroscience

[Non-invasive brain stimulation for relieving acute and chronic pain]


[Controlling pain has always been one of the biggest challenges of medical science. Despite pharmacological developments, still many patients suffer from long-lasting pain. During the last 40 years several surgical interventions have been used to modulate the activity of the central nervous system in order to control chronic, pharmacoresistant pain. Because such interventions may involve very serious adverse events, safer and at least equally efficient methods are still required. In the 90’s new techniques of non-invasive brain stimulation have been introduced that enable the facilitation or inhibition of distinct cortical areas. These methods are based on the electrical stimulation of brain structures and to date they have been successfully used to modulate perceptual, cognitive and motor functions in healthy subjects and various diseases as well. In this review we describe such techniques of non-invasive brain stimulation, namely repeated transcranial magnetic stimulation and transcranial direct current stimulation and review the current literature about their efficacy in controlling acute and chronic pain.]

Clinical Neuroscience

[European treatment recommendation of neuromyelitis optica spectrum disorders: critical remarks and case discussion]


[Neuromyelitis optica is a demyelinating disease of the central nervous system mediated by antibodies against the waterchannel aquaporin4 (AQP4). In a number of cases the clinical manifestation is spatially limited. Such events of separate longitudinally extensive transverse myelitis (LETM) or relapsing/bilateral optic neuritis (RION/BON) are defined as NMO spectrum diseases. The diagnosis is further challenged by anti-AQP4 seronegative cases. While chronic immunosuppressive therapy should be introduced in definitive NMO, treatment strategy of the NMO spectrum is less defined. Recent EFNS guidelines recommend chronic immunosuppressive treatment of NMO spectrum diseases depending on the clinical course even in AQP4-seropositive cases. Presenting a case with relapsing optic neuritis, here we emphasize the importance of early immunosuppressive therapy in all seropositive NMO spectrum diseases regardless of relapse severity, in order to prevent an upcoming devastating relapse, i.e. NMO conversion.]

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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

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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.

Lege Artis Medicinae

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Lege Artis Medicinae


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Lege Artis Medicinae

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