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Wyszukujesz frazę "Tarasow, E." wg kryterium: Autor


Wyświetlanie 1-2 z 2
Tytuł:
Herpes simplex encephalitis – diagnostic imaging
Autorzy:
Tyrakowska-Dadełło, Z.
Kułakowska, A.
Zajkowska, J.
Pancewicz, S.
Tarasów, E.
Powiązania:
https://bibliotekanauki.pl/articles/1918450.pdf
Data publikacji:
2017
Wydawca:
Uniwersytet Medyczny w Białymstoku
Tematy:
Herpes simplex encephalitis
limbic encephalitis
computed tomography
magnetic resonance imaging
MR spectroscopy
Opis:
The phenomena of neuroinvasiveness, latency and reactivation are characteristics of the Herpes simplex virus (HSV). The Herpes simplex encephalitis (HSE) prevalence rate is 1 up to 3 in a million cases, which is about 10-20% of all viral encephalitis cases. The course of the disease shows the prodromal period and the symptomatic one; the clinical course is usually rapid and may lead to sudden death. As for the symptomatic period, there are usually neurological focal symptoms and seizures as well as fluctuating consciousness leading to coma. The mortality rate in the course of HSE in non-treated individuals reaches up to 70%, it is lowered to 15% with early treatment with Acyclovir. However, most patients present persistent neurological and cognitive disorders. There are usually no changes in the CT scan as far as the early stage of the disease is concerned. Thus, the imaging technique of choice is MR scan, which shows the changes already on the second day after clinical symptoms. On the basis of MR scans, more or less symmetrical hyperintense cortical and subcortical white matter lesions occur on T2-weighted images with gyral and/or leptomeningeal contrast enhancement. MR spectroscopy can be helpful in lesion diagnosis and monitoring, while diffusion-weighted imaging (DWI) can be used to evaluate inflammatory process activity. Differentiation of HSE in imaging should consider limbic encephalitis, gliomatosis cerebri, cerebral ischemia, cerebral edema after seizure episodes, and MELAS syndrome (Mitochondrial Encephalomyopathy, Lactic Acidosis, and Stroke-like episodes), among others. HSV identification in cerebrospinal fluid by PCR (polymerase chain reaction) method is a confirmation of the diagnosis.
Źródło:
Progress in Health Sciences; 2017, 7(1); 152-160
2083-1617
Pojawia się w:
Progress in Health Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Cerebral cavernous malformations: epidemiological, clinical and diagnostic imaging aspects
Autorzy:
Czekalska, I.
Tyrakowska-Dadełło, Z.
Werel, P.
Tarasów, E.
Grodzka, E.
Powiązania:
https://bibliotekanauki.pl/articles/1918780.pdf
Data publikacji:
2018
Wydawca:
Uniwersytet Medyczny w Białymstoku
Tematy:
CNS vascular malformations
cerebral cavernous malformation
computed tomography
magnetic resonance imaging
Opis:
Introduction: Cerebral cavernous malformations (CCMs) are one of the most common vascular malformations of the central nervous system. Symptoms of CCMs are not typical; the disease can be asymptomatic or be manifested by a wide range of neurological symptoms. Purpose: To evaluate chosen epidemiologic and clinical issues as well as advanced imaging diagnostics of CCMs in computed tomography and magnetic resonance imaging. Materials and methods: The study was based on retrospective analysis of CT and MRI examinations from the 5 years period. The analysis covered 61 persons, 29 males, and 32 females. The CCMs were diagnosed based on MRI examination in 43 patients and CT in 13 patients. Results: The rate of CCMs occurrence in own material was 0.2%. Single lesions were present in 90.2%, while multiple in 9.8% of cases. Supratentorial CCMs were observed in 77% of cases whereas subtentorial in 23%. Mean size of CCMs in the supra- and subtentorial area equaled 10.6±6.3 and 15.1±5.8 mm, respectively (p<0.05). Clinical symptoms occurred in 65.8% of patients, most frequently in patients with CCMs above 5 mm or with subtentorial lesions. All CCMs were hyperdense in CT images, with calcifications in 13.1%. In MRI, malformations showed diverse intensity of the central part with peripheral low-intensity rim of hemosiderine deposits in T2-weighted images. Conclusions: The clinical symptoms occur in most cases of CCMs. These patients require periodic follow-up MRI examinations, specifically those with haemorrhagic incidents or epileptic seizures, with large size or subtentorial CCMs.
Źródło:
Progress in Health Sciences; 2018, 8(2); 8-17
2083-1617
Pojawia się w:
Progress in Health Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-2 z 2

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