Hungarian Radiology

[Board Meeting of the Hungarian College of Radiology]

PALKÓ András, FORRAI Gábor

OCTOBER 10, 2005

Hungarian Radiology - 2005;79(05)

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Hungarian Radiology

[Networks]

LOMBAY Béla

Hungarian Radiology

[The role of MRI in the clinical examination following breast cancer screening]

SZABÓ Éva, BIDLEK Mária, GŐDÉNY Mária

[INTRODUCTION - Breast cancer screening was performed in 27 325 female patients at the National Institute of Oncology from 1st of January 2002 to May 30th of 2005. Complementary examinations were necessary in 1876 women. MR-mammography was performed in 65 of these cases. We were curious about in which cases MR mammography helps to make the diagnosis more accurate, how does it influence the therapy. We also studied, whether the number of surgical interventions because of benign breast lesions decreases due to MR mammography. PATIENTS AND METHODS - In 65 patients MR mammography was performed using non-contrast axial and coronal T1W and STIR sequences. After the injection of gadolinium four series of 3D FLASH (fast low angle shot) dynamic gradiens echo sequences were also applied. Subtraction of the non-contrast and contrast enhanced series were evaluated in addition to the intensity curves of the postcontrast series. RESULTS - MR mammography helped to evaluate dense breasts in 21 cases, to identify multifocal lesions in 6 cases and to differentiate the malignant-benign processes. In the course of the 65 post-screening examinations, malignant processes [BI-RADS IV-V (Breast Imaging Reporting and Data System)] were diagnosed in 21 cases, benign processes (BI-RADS II-III) or negative results were found in 44 patients. CONCLUSION - MR mammography increased diagnostic accuracy, decreased the number of benign lesion-related surgical procedures and increased the accuracy in determining surgical radicality and establishing a therapeutic plan.]

Hungarian Radiology

[The force transmission of the distal endings of stent delivery systems]

SZIKRA Péter, VÖRÖS Erika, SZTRIHA László, SZÓLICS Alex, CSIKÁSZ Tamás

[INTRODUCTION - In cases of endovascular treatment of internal carotid artery stenosis, one of the most important aspects is to minimise embolic complications. Dislodging emboli may be influenced by the shape and size of tapered endings of stent delivery systems. Our team performed measurements and calculations on the emergence of force of the various tapered endings. MATERIAL AND METHOD - Five different commercially available stent dilivery systems were investigated. The thickness of the devices were measured and taking 5 mm normal artery diameter, the lumen size was calculated, above which the delivery system should dilate the lumen mechanically. By means of geometrical computer-constructions and measurements, we analysed the forces directed ahead and laterally, emerging on the surface of tapered endings during the passing through the stenosis. RESULTS - The stent delivery systems were between 5.0 and 5.9 F in diameter, and even the stent delivery system of lowest profile would dilate a stenosis of over 89%. The different endings are tapered with variable lengths. The force transmission on the vessel wall of different directions was distinct at the various points of the cone surfaces. The forces directed ahead were less than those directed laterally on the larger part of a cone surface. Irregularity of the cone surfaces distributed the forces unfavorably. Considering the features of tapered endings, the atraumatic introduction of the devices required a range of upper limits of stenoses between 89.76-98.04%, which are more feasible values than those deternined by shaft sizes. CONCLUSIONS - Our experimental work suggests, that the shape and size of the endings of stent delivery systems influence the forces affecting vessel wall plaques, and in this manner, embolic complications, during carotid stenting. The lowest risk of embolisation could be induced by using the longest and smoothest tapered endings.]

Hungarian Radiology

[Acromesomelic dysplasia du Pan]

KAISSI Al Ali, GHACHEM Ben Maher, CHEHIDA Ben Farid, KOZLOWSKI Kazimierz

[INTRODUCTION - Cartilage derived morphogenic protein (CDMP1) mutations account for several related disorders, ranging from prenatal lethal to very mild entities such as brachydactyly C. Two similar severe manifestations of CDMP1 mutations are du Pan and Hunter-Thompson syndromes. CASE REPORTS - We report two second degree relatives with du Pan syndrome. Clinical history and full skeletal surveys were analysed and compared with the data from the literature. Frequent spontaneous abortions - probably manifestation of the lethal forms of CDMP1 mutations - were present in both families. Skeletal surveys of the patients showed similar acromesomelic abnormalities consistent with du Pan syndrome. CONCLUSION - The rare publications of du Pan syndrome present usually insufficient radiographic documentation. Better radiographic imaging is necessary to establish clear-cut criteria of differentiation between du Pan and Hunter-Thompson syndrome.]

Hungarian Radiology

[Quality cost in radiology: the cost of repeated examinations]

KIS Zsuzsanna

[INTRODUCTION - The aim of the author is to describe the definition and types of quality cost in the health care services especially in the field of radiology. The proportion of the quality cost is based on the author's data and data from the literature. The ways of reduction of the quality cost is also discussed. MATERIAL AND METHODS - The author made a research based on a prior multicentric study to determine the loss derived from the excessive use of films used during the repeated radiological examination. The cost of wrong services nationwide is calculated on the basis of the loss per 1000 German point. RESULTS - Our short research showed that 300 000 Ft HUF + VAT per year was paid because of the excessive use of the films during the repeated examination points within the given period of time. The loss percentage per 1000 German points can be calculated based on the points generated during a given time. In this way there was more than 300 million HUF spent on defective services nationwide in 2002. CONCLUSION - The cost of defective services and resulting moral and financial losses justify the need for finding and reducing the costs. Quality control and quality improvement can be used to achieve the aims of controlling the processes by the right indicators. By discussing them the processes will improve, the costs will be lower and quality also improves. The patients and insurance companies who buy our services also have the same expectations.]

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ZAKARIÁS Lilla, RÓZSA Sándor, LUKÁCS Ágnes

[In this paper we present the Comprehensive Aphasia Test-Hungarian (CAT-H; Zakariás and Lukács, in preparation), an assessment tool newly adapted to Hungarian, currently under standardisation. The test is suitable for the assessment of an acquired language disorder, post-stroke aphasia. The aims of this paper are to present 1) the main characteristics of the test, its areas of application, and the process of the Hungarian adaptation and standardisation, 2) the first results from a sample of Hungarian people with aphasia and healthy controls. Ninety-nine people with aphasia, mostly with unilateral, left hemisphere stroke, and 19 neurologically intact control participants were administered the CAT-H. In addition, we developed a questionnaire assessing demographic and clinical information. The CAT-H consists of two parts, a Cognitive Screening Test and a Language Test. People with aphasia performed significantly worse than the control group in all language and almost all cognitive subtests of the CAT-H. Consistent with our expectations, the control group performed close to ceiling in all subtests, whereas people with aphasia exhibited great individual variability both in the language and the cognitive subtests. In addition, we found that age, time post-onset, and type of stroke were associated with cognitive and linguistic abilities measured by the CAT-H. Our results and our experiences clearly show that the CAT-H provides a comprehensive profile of a person’s impaired and intact language abilities and can be used to monitor language recovery as well as to screen for basic cognitive deficits in aphasia. We hope that the CAT-H will be a unique resource for rehabilitation professionals and aphasia researchers in aphasia assessment and diagnostics in Hungary. ]

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KAPRONCZAY Katalin

[Hungarian professional periodicals started quite late in European context. Their publish­ing, editing and editorial philosophy were equally influenced by specific historical and political situations. Certain breaking points of history resulted in termina­tion of professional journals (War of In­de­pendence 1848-1849, First and Se­cond World Wars), however there were pe­riods, which instigated the progress of sciences and founding of new scientific journals. Both trends were apparent in years after the fall of former Hungarian regime in 1990. The structure of book and journal publishing has changed substantially, some publishers fell “victim” others started successfully as well. The latters include the then-established publishing house Literatura Medica and its own scientific journal, Lege Artis Me­di­cinae (according to its subtitle: New Hun­garian Medical Herald) issued first in 1990. Its appearance enhanced significantly the medical press market. Its scientific publications compete with articles of the well-established domestic medical journals however its philosophy set brand-new trends on the market. Concerning the medical community, it takes on its problems and provides a forum for them. These problems are emerging questions in health care, economy and prevention, in close interrelation with system of public health institutions, infrastructure and situation of those providing individual health services. In all of them, Lege Artis Medicinae follows consequently the ideas of traditional social medicine.]

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[History of vaccine production in Hungary ]

ÓCSAI Lajos

[This study presents the complete history of the Hungarian vaccine production, partly in association with the process of fighting vaccine-preventable infectious diseases, and underlines the fact that every government actively contributed to the age-adjusted mandatory vaccination schedule of the past 140 years. It demonstrates the various achievements from the smallpox lymph production through the launch of diphtheria serum production at Phylaxia and the establishment of the National Public Health Institute (OKI) with its vaccine production and the later institutional transformation of OKI into Humán as economic corporation to its closure. Among all OKI’s vaccine production activities, this study focuses on the production of influenza vaccines, due to its international importance in the 1960s and 1970s. The vaccine production against diphtheria tetanus and pertussis stands out from Humán’s activities, and the tetanus component of this vaccine is still used in the products of a multinational vaccine manufacturer. ]

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SZAUDER Ipoly

[Invasive investigations show that in two-thirds of patients the myocardial ischaemia persists without obstructive coronary disease and any other heart conditions (INOCA). The underlying cause may be microvascular dysfunction (CMD) with consecutive microvascular coronary disease (MVD) and microvascular or epicardial vasospastic angina (MVA). The modern practice of clinical cardiology while using the developed non-invasive cardiac imaging permits exact measuring of the coronary flow with its characteristic indices. All of these improve the diagnosing of CMD-induced myocardial ischemia and provide opportunity to determine primary MVD cases. Since the recognition and treatment of MVD is significantly underrep­resented in the Hungarian medical care, the primary stable microvascular angina (MVA) is described in detail below with its modern invasive and non-invasive differential diagnosis and treatment, concerning especially its frequency provoked by high blood pressure and female coronary heart diseases. There are highlighted all recommended diagnostic procedures available under domestic conditions.]