Lege Artis Medicinae



DECEMBER 20, 2004

Lege Artis Medicinae - 2004;14(12)

[Magnetic resonance imaging has become a basic imaging method in neurological diagnosis in the past decade. It provides excellent anatomical, morphological and in special indications, functional information on the central nervous system. In this issue, the role of magnetic resonance imaging in the diagnosis of brain diseases is outlined in connection with relevant clinical courses and the cardinal neurological signs.]



Further articles in this publication

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NAGY Viktor

[There are several evidence-based recommendations for the antihypertensive treatment of diabetic patients. The treatment should be chosen in such way that the target blood pressure (<130/80 Hgmm) is reached and the risk of target organ failure and cardiovascular mortality is minimized. Based on the studies, it seems that the angiotensin converting enzyme II receptor blockers and low-dose thiazide diuretics, along with their combinations can be recommended as first-line treatment in diabetes mellitus. Beta-receptor blockers and calciumchannel inhibitors are more effective than placebo and may be can be combined with angiotensin converting enzyme inhibitors, angiotensin converting enzyme II blockers and diuretics. This is important, because the effective antihypertensive treatment and the prevention of complications in diabetic patients can rarely be achieved with monotherapy only.]

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BÉLY Miklós, APÁTHY Ágnes

[INTRODUCTION - The lethal septic infection was studied in a randomized (non-selected) autopsy population of 234 in-patients with rheumatoid arthritis. The patients died at the National Institute of Rheumatology between 1970 and 1999. PATIENTS AND METHOD - The aims of this study were to determine the prevalence of lethal septic infection with or without purulent arthritis in rheumatoid arthritis; the relationship between purulent arthritis and lethal septic infection; the clinically missed diagnosis of lethal septic infection and purulent arthritis; the influence of the main complications and associated diseases on lethal septic infection with and without purulent arthritis; the pathogens in lethal septic infection; and the clinico-laboratory parameters associated with lethal septic infection in rheumatoid arthritis. RESULTS - Lethal septic infection was found in 31 (13.24%) of 234 rheumatoid arthritis patients. Purulent arthritis complicated lethal septic infection in 15 (6.4%) of 31 patients. There was a significant association between lethal septic infection and purulent arthritis. Sepsis was detected clinically in 17 of 31 lethal cases and purulent arthritis was detected 9 of 15 septic infection complicated with suppurative articular processes. The coexistent complications (systemic vasculitis, AA amyloidosis), and associated diseases (tuberculosis with or without miliary dissemination, malignant tumors, diabetes mellitus) did not influence the prevalence of septic infection. The most frequent pathogenic agents were: Staphylococcus aureus, Escherichia coli, Proteus mirabilis, Pseudomonas aeruginosa, Klebsiella species, Streptococcus species. The patients with septic infection had significantly lower levels of beta-globulin, and higher values of Waaler-Rose or latex fixation test in comparison to patients without septic infection or without complications. CONCLUSION - Lethal septic infection may exist in rheumatoid arthritis without the classical clinical symptoms of sepsis, and clinically latent suppurative processes may be found at autopsy. The missed clinical diagnosis of a fatal complication is explained by the weak immune response and atypical clinical symptoms of elderly patients mainly treated with steroids and immunosuppressive drugs.]

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[Hungarian Cannot be Used Indeed? Anglicisms in the Hungarian Medical Language]


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[INTRODUCTION - In this article we analyze the relationships between behavior problems of adolescents and depressed mood of their parents based on literature review and on our own questionnaire surveys. METHODS - We present the data from two surveys conducted among Hungarian adolescents. The first survey was conducted among 1604 young women students, aged of 15-19 years. The second survey included 502 high school students in Budapest. Both surveys were aimed at the lifestyle, health behavior, risk behavior, and emotional state, as well as the social-economic status and family background of the adolescents. Data of both surveys were analyzed using the SPSS 8.0 statistical program package. The association between the mood category of mothers and fathers and the risk factors and emotional state indicators of their children were tested with χ2 tests, as well as the indicators of students whose parents were not treated for depression. RESULTS - Data from both surveys suggest that there are close relationships between the negative mood states of the parents and the behavior problems of their children, especially between the mood of mothers and the behavioral and emotional state of daughters. CONCLUSIONS - Our research data call attention to the phenomenon that girls react explicitly and quite sensitively to the mood state of their mothers while the boys’ behavioral and emotional states are less responsive to their parents’ mood. On the other hand, boys react more intensively to the emotional instability of their fathers than to the instability of their mothers.]

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[INTRODUCTION - Gallstone ileus is a rare disorder among elderly population. The gallstone coming through a bilioenteral fistula into the gastrointestinal tract is stuck into the duodenal lumen causing ileus in approximately 0,5% of all cases. The syndrome is named after Bouveret, the first describer. CASE REPORT - Author present the case of 72 year old female patient with known cholelithiasis. Investigations proved existing cholelithiasis causing the patient abdominal pain one year before admission but she gave no consent to surgical intervention. An emergency admission to our department occurred after four days of abdominal pain and vomiting. The clinical status of the patient and abdominal X-ray examination suggested stomach evacuation disturbance. Double contrast barium swallow test and gastroscopy proved bowel obstruction caused by a gallstone. During surgery gastrotomy and the removal of gallstone was carried out. There were no postoperative complications and the patient was discharged home. CONCLUSION - Cholelithiasis should be resolved at any chosen time well before complications may occur. The simultaneous appearance of stomach evacuation problems and cholelithiasis should draw attention to this rare disease.]

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Related contents

Clinical Neuroscience

A case with reversible neurotoxicity induced by metronidazole

EREN Fulya, ALDAN Ali Mehmet, DOGAN Burcu Vasfiye, GUL Gunay, SELCUK Hatem Hakan, SOYSAL Aysun

Background - Metronidazole is a synthetic antibiotic, which has been commonly used for protozoal and anaerobic infections. It rarely causes dose - and duration - unrelated reversible neurotoxicity. It can induce hyperintense T2/FLAIR MRI lesions in several areas of the brain. Although the clinical status is catastrophic, it is completely reversible after discontinuation of the medicine. Case report - 36-year-old female patient who had recent brain abscess history was under treatment of metronidazole for 40 days. She admitted to Emergency Department with newly onset myalgia, nausea, vomiting, blurred vision and cerebellar signs. She had nystagmus in all directions of gaze, ataxia and incompetence in tandem walk. Bilateral hyperintense lesions in splenium of corpus callosum, mesencephalon and dentate nuclei were detected in T2/FLAIR MRI. Although lumbar puncture analysis was normal, her lesions were thought to be related to activation of the brain abscess and metronidazole was started to be given by intravenous way instead of oral. As lesions got bigger and clinical status got worse, metronidazole was stopped. After discontinuation of metronidazole, we detected a dramatic improvement in patient’s clinical status and MRI lesions reduced. Conclusion - Although metronidazole induced neurotoxicity is a very rare complication of the treatment, clinicians should be aware of this entity because its adverse effects are completely reversible after discontinuation of the treatment.

Clinical Neuroscience

Marchiafava-Bignami disease: Report of three cases

GUNAY Gul, MESUDE Özerden, ZEYNEP Ozdemir, CAHIT Keskinkiliç, HAKAN Selçuk, BATUHAN Kara, AYSUN Soysal

Marchiafava-Bignami disease (MBD) is a rare alcohol-associated disorder characterized by demyelination and necrosis of the corpus callosum. We report three patients who had history of chronic alcoholism, different clinical presentation and MRI findings consistent with the diagnosis of Marchiafava-Bignami disease.

Clinical Neuroscience

Multimodal quantitative characterization of intracranial epidermoid cysts: preliminary results

HORVÁTH Andrea, NAGY Szilvia Anett, PERLAKI Gábor, ORSI Gergely, BOGNER Péter, DÓCZI Tamás

Background and purpose - The differentiation of epidermoid cysts from other intracranial lesions with CT and conventional MR imaging is challenging. The risk of residual and recurrent disease is high and multimodal imaging should therefore promote a precise differential diagnosis. Since epidermoid cysts are histologically identical to middle ear cholesteatomas, MRI methods that are useful in the diagnosis of cholesteatoma; specifically EPI DWI and a non- EPI diffusion subtype (HASTE DWI) may possibly be applicable to epidermoid cysts. Besides testing the diagnostic utility of these methods on epidermoid cysts, our goal was to quantify the T1 and T2 relaxation times, the ADC values and the magnetization transfer ratios in order to acquire objective, characteristic information about their structure and contents. Finally, our goal was to provide the physician with a reliable, multimodal diagnostic tool that supports accurate surgical planning. Methods - Two patients with epidermoid cysts were examined. Besides the conventional MR scans EPI DWI, HASTE DWI, quantitative T1, T2 and magnetization transfer measurements were performed mappingwith a 3T MR scanner. After image registration, T1, T2 relaxation times and the magnetization transfer ratio inside a ROI were determined according to the lesion location on HASTE DWI. Mean ADC values inside the epidermoid cysts were also calculated by both mono-exponential and bi-exponential diffusion models. Results - Our results revealed relatively high T1 and T2 relaxation times and ADC values, and low magnetization transfer ratios in both subjects. Conclusion - HASTE-DW MRI provides accurate morphologic information on epidermoid cysts, while T1, T2, ADC and magnetization transfer ratio maps are quantitative techniques. Thus the combination of these methods results in a confident preoperative diagnosis and aids to determine the indication of retreatment in the event of recurrence.

Clinical Neuroscience

[Application of diffusion weighted imaging in neuroradiology]


[Diffusion weighted magnetic resonance (MR) imaging is available on all modern MR scanners. It depicts the motion of water molecules in the brain tissue and intracranial foreign tissues and provides information on changes in the proportion of intra- and extracellular space and the characteristics of foreign intracranial tissues and fluids. It is of utmost importance eg. in the diagnostics and differential diagnostics of acute ischaemic brain lesions, the diagnostics of inflammatory brain processes and in the differential diagnostics of intracranial space-occupying lesions. The examination method of short scanning and post-processing time must be completed with the apparent diffusion coefficient (ADC) maps and it is indispensable in the everyday neuroradiological diagnostics. Diffusion tensor imaging and tractography are able to depict the white matter tracts. They require a longer scanning and post-processing time and have several technical problems yet to be solved, but they provide help in their current state e.g. in the surgical planning of intracranial space-occupying lesions.]

Hungarian Radiology

[Gastrointestinal stromal tumors]


[Gastrointestinal stromal tumors are the most common mesenchymal neoplasm of the gastrointestinal tract. Gastrointestinal stromal tumors are characterized by remarkable variability in their differentiation potential. They are defined by their expression of KIT (CD117), a tyrosine kinase growth factor receptor. The expression of KIT is important to distinguish gastrointestinal stromal tumors with immunohistochemically method from other mesenchymal neoplasms such as leiomyomas, leiomyosarcomas, leiomyoblastomas and schwannomas. Pathologically proved gastrointestinal stromal tumors are appropriate KIT-inhibitor therapy. Gastrointestinal stromal tumors arise with variable frequency throughout the gastrointestinal tract, they most frequently occur in the stomach (40-70%), followed by the small intestine (20-30%), colorectum (5- 15%) and esophagus (<5%). The most gastrointestinal stromal tumors arise within the muscularis propria, they most commonly have an exophytic growth pattern and manifest as dominant extraluminal masses. Radiologic features of gastrointestinal stromal tumors vary depending of tumor size and organ of origin. They are characteristically well circumscribed, sharply defined and have hemorrhage, necrosis or cyst formation. The radiologic features of gastrointestinal stromal tumors are often distinct from those of epithelial tumors. There are no specific radiologic features to separate gastrointestinal stromal tumors from other mesenchymal tumors, yet.]