Clinical Neuroscience

[Meeting of the Hungarian Epilepsy League]

SZUPERA Zoltán

MARCH 30, 2014

Clinical Neuroscience - 2014;67(03-04)

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Clinical Neuroscience

[Foreword]

SOMOGYI Árpád, SZABÓ Sándor, ROGER Guillemin, VOLKER Jahnke, MILAGROS Salas-Prato, YVETTE Taché, LÁZÁR György, GYIRES Klára, VÉCSEI László, HORVÁTH Zoltán, TUKA Bernadett, DUNAI Magdolna, ET al.

Clinical Neuroscience

[Validation of the Hungarian MDS-UPDRS: Why do we need a new Parkinson scale?]

HORVÁTH Krisztina, ASCHERMANN Zsuzsanna, ÁCS Péter, BOSNYÁK Edit, DELI Gabriella, PÁL Endre, KÉSMÁRKI Ildikó, HORVÁTH A. Réka, TAKÁCS Katalin, KOMOLY Sámuel, BOKOR Magdolna, RIGÓ Eszter, LAJTOS Júlia, KLIVÉNYI Péter, DIBÓ György, VÉCSEI László, TAKÁTS Annamária, TÓTH Adrián, IMRE Piroska, NAGY Ferenc, HERCEG Mihály, HIDASI Eszter, KOVÁCS Norbert

[Background - The Movement Disorder Society-sponsored revision of the Unified Parkinson’s Disease Rating Scale (MDS-UPDRS) has been published in 2008 as the successor of the original UPDRS. The MDS-UPDRS organizing team developed guidelines for the development of official non- English translations consisting of four steps: translation/back-translation, cognitive pretesting, large field testing, and clinimetric analysis. The aim of this paper was to introduce the new MDS-UPDRS and its validation process into Hungarian. Methods - Two independent groups of neurologists translated the text of the MDS-UPDRS into Hungarian and subsequently back-translated into English. After the review of the back-translated English version by the MDS-UPDRS translation administration team, cognitive pretesting was conducted with ten patients. Based on the results of the initial cognitive pretesting, another round was conducted. For the large field testing phase, the Hungarian official working draft version of MDS-UPDRS was tested with 357 patients with Parkinson’s disease (PD). Confirmatory factor analyses (CFA) determined whether the factor structure for the English-language MDS-UPDRS could be confirmed in data collected using the Hungarian Official Draft Version. To become an official translation, the Comparative Fit Index (CFI) had to be ≥0.90 compared to the English-language version. Results - For all four parts of the Hungarian MDS-UPDRS, the CFI was ≥0.94. Conclusion - The overall factor structure of the Hungarian version was consistent with that of the English version based on the high CFIs for all the four parts of the MDSUPDRS in the CFA; therefore, this version was designated as the ‘OFFICIAL HUNGARIAN VERSION OF THE MDSUPDRS.’]

Clinical Neuroscience

[Association of temporal lobe inflammatory leukoencephalopathy with two B cell malignancies]

GARZULY Ferenc, HAHN Katalin, IVÁNYI János László, KERESKAI László, GÁBOR Valéria, KOVÁCS G. Gábor, BUDKA Herbert, KÁLMÁN Bernadette

[Identification of etiological connections among virtually distinct diseases in a patient may be sometimes challenging. We report a unique case with two B cell malignancies and an inflammatory leukoencephalopathy. Three days prior to admission, the elderly male patient developed fatigue, headaches, recurrent vomiting, memory disturbances, depression and somnolence. Clinical, laboratory and imaging evaluations as well as post mortem histological studies were performed. Simultaneous presence of primary central nervous system B cell lymphoma, temporal lobe inflammatory leukoencephalopathy and multiple (smoldering) myeloma, was revealed by the detailed work up in the treatmentnaïve patient. Based on recent data from genomic studies, we propose that a sequential evolution of molecular pathology lead to the co-occurrence of multiple myeloma and primary central nervous system B cell lymphoma in this patient, and interpret the development of the temporal lobe leukoencephalopathy as a likely paraneoplastic complication of smoldering myeloma.]

Clinical Neuroscience

[Dilemma of further therapeutic step in RRMS in case of ineffectivity of first line treatment: fingolimod or natalizumab?]

LOVAS Gábor

Clinical Neuroscience

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Neuroscience highlights: Main cell types underlying memory and spatial navigation

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Interest in the hippocampal formation and its role in navigation and memory arose in the second part of the 20th century, at least in part due to the curious case of Henry G. Molaison, who underwent brain surgery for intractable epilepsy. The temporal association observed between the removal of his entorhinal cortex along with a significant part of hippocampus and the developing severe memory deficit inspired scientists to focus on these regions. The subsequent discovery of the so-called place cells in the hippocampus launched the description of many other functional cell types and neuronal networks throughout the Papez-circuit that has a key role in memory processes and spatial information coding (speed, head direction, border, grid, object-vector etc). Each of these cell types has its own unique characteristics, and together they form the so-called “Brain GPS”. The aim of this short survey is to highlight for practicing neurologists the types of cells and neuronal networks that represent the anatomical substrates and physiological correlates of pathological entities affecting the limbic system, especially in the temporal lobe. For that purpose, we survey early discoveries along with the most relevant neuroscience observations from the recent literature. By this brief survey, we highlight main cell types in the hippocampal formation, and describe their roles in spatial navigation and memory processes. In recent decades, an array of new and functionally unique neuron types has been recognized in the hippocampal formation, but likely more remain to be discovered. For a better understanding of the heterogeneous presentations of neurological disorders affecting this anatomical region, insights into the constantly evolving neuroscience behind may be helpful. The public health consequences of diseases that affect memory and spatial navigation are high, and grow as the population ages, prompting scientist to focus on further exploring this brain region.