Hungarian Radiology

[Colorectal cancer screening: Lessons from the American experience]

BAFFY György1, TÁRNOKI Dávid László2, TÁRNOKI Ádám Domonkos2, BAFFY Noémi3

OCTOBER 20, 2009

Hungarian Radiology - 2009;83(03)

[Colorectal cancer is one of the most common malignancies of our times. The disease takes many years to develop and is typically preceded by polyp formation, which allows timely screening and diagnosis. A number of tests and procedures have been developed to screen for colorectal cancer and its premalignant conditions. However, apparent heterogeneity of the disease, redundancy of the available screening modalities, as well as costs and potential pitfalls of these preventive measures require careful strategic planning. In the United States, recent advances in the campaign for colorectal cancer screening provide important lessons that may guide similar initiatives in Hungary.]


  1. VA Boston Healthcare System and Brigham and Women’s Hospital, Harvard Medical School, Boston
  2. Semmelweis Egyetem, Radiológiai és Onkoterápiás Klinika, Budapest
  3. Semmelweis Egyetem, Általános Orvostudományi Kar, Budapest



Further articles in this publication

Hungarian Radiology

[16th International Symposium of Pediatric Radiology Section of the Society of Hungarian Radiologists - Szeged, September 10-12th, 2009.]


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[Interventional neuroradiological treatment of a symptomatic basilar artery stenosis in the background of recurrent brainstem transient ischemic attack]


[INTRODUCTION - Symptomatic stenosis of the basilar artery carries high risk of brainstem stroke. In case of acute thrombotic occlusion of the basilar artery the mortality is over 70%. Besides best medical treatment, angioplasty was employed for 30 years previously, but the results were only acceptable after the advent of flexible intracranial stents. We report our case to call attention to the availibility of this interventional neuroradiological procedure. CASE REPORT - A 64 years old male patient was admitted to our hospital with intermittant diplopia. 90% stenosis of proximal basilar artery was reported by DSA. After balloon dilatation, intracranial stent was placed into the lesion. Symptoms have not recurred three months following the intervention. Control TCD and MR-angiography were performed, and good blood flow ratio was detected in the vertebrobasilar system. CONCLUSION - In the background of recurrent brainstem TIA a basilar artery stenosis has to be searched because the development of a definitive brainstem stroke can be prevented by interventional neuroradiological procedure.]

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[The growth in digital media technology within the past decade has strengthened e-Learning’s position in education. Traditional teaching methods are changing: from teacher to moderator and passive learner to active learner. A pilot e-Learning course in MR angiography (MRA) has been undertaken with Hungarian radiographer participants. The e-Learning course consisted of three phases covering basic MRA physics and technical aspects, advanced MRA techniques and concluding with an assessment work. The promising results suggest that e-learning may be a feasable method for the continuing professional development of Hungarian radiographers.]

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Related contents

Lege Artis Medicinae

[Specialists’ opinions about the introduction of colorectal cancer screening ]


[ INTRODUCTION - The number of new cases of colorectal cancer is over 10 000 and there are around 5000 deaths per year in Hungary. A nationwide colon cancer screening program was launched in 2018. AIMS - Concerning the upcoming national screening, our aim was to explore attitudes, preferences and knowledge of specialists (family medicine, gastroenterology, surgery, oncology, pathology) who will be engaged in screening, diagnosis and treatment of colorectal cancer. METHOD - Before the start of the program we conducted semi-structured interviews with 20 representatives of specialties mentioned above. Interview-questions focused on knowledge (epidemiology, screening methods, program-related), preferences (screening method, protocol) and impact of the program on medical practice. Quan­ti­ta­tive and qualitative methods were used for analysis. RESULTS - Incidence of colon cancer was well known but its mortality in Hungary was underestimated. The public health significance of colorectal cancer scored 7 on a 10-point Likert scale and all participants agreed with introduction of the program. 12 people knew the chosen protocol (two-stage), only a single person mentioned one-stage (colonoscopy), and 7 had no information. 16 people prefer colonoscopy as the best screening method. 11 support two-stage protocol, 5 do not support but accept it, 4 would only accept the one-stage approach. 13 people think their duties will increase considerably. CONCLUSIONS - Our review partners consider colorectal screening in Hungary as an initiative to be supported. They expect increase of workload in their everyday medical practice and assume that the current endoscopic capacity will be overburdened. The majority prefers two-stage protocol because of cost-effectiveness while arguing that the colonoscopy has a bad reputation among the general population, nevertheless they consider colonoscopy as the best method of screening. ]

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[The physiological changes of menopause are associated with an increase in cardiovascular risk. Cardiovascular diseases lead mortality statistics also in women. Several physiological effects of oestrogen are thought to be protective for the circulatory system. The reasonable idea of hormone replacement therapy, however, has not met the expectations. This article reviews the relevant studies and discusses the possible causes of failure. The second part focuses on the issue of prevention. The Evidence-Based Guidelines for Cardiovascular Disease Prevention in Women, a recommendation developed in the US, is delineated. Hungarian data are provided based on results of the Menokard programme. The paper gives an overview of hormone replacement therapy and cardiovascular prevention in postmenopausal women.]

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[Dissections of the supraaortic arteries]

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[Dissection of the cervical and intracranial vasculature is a rare but important cause of ischaemic stroke especially in young adults. In the majority of cases it affects the extracranial vessels, mostly the internal carotid artery. It might be categorized as spontaneous or traumatic, causing diverse clinical symptoms. Dissection might lead to ipsilateral stroke mainly by artery-to-artery embolisation. Due to its relative rarity compared to the classic ischaemic stroke of the elderly, there are much less clinically relevant information for the clinician to rely on. Several large, randomised, multicentered, prospective studies and some smaller, retrospective analyses have been published recently concerning the genetic background, epidemiology, acute care and secondary prevention of supraaortic arterial dissection which helps the neurologist to provide evidence-based care for his patient. Our aim is to give a short, up-to-date overview of arterial dissections with two case reports.]

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[Current questions on Pneumococcus infections: cardiovascular complications, cardiotoxicity and new opportunities for prevention among elderly people]


[The respiratory tract infections, first of all severe pneumonia are associated with severe cardiovascular adverse events the significance of which that had not been recognised so far. Among the adverse events, the development of acute coronaria syndromes, heart failure, arrhythimias are the most important ones leading to significatly higher mortality even after several years. In the development of acute coronaria syndrome , the proinflammatory activites play the cenral role leading to the instability of coronaria plaques and plaque rupture associated with formation of platelet thrombi. The constriction of coronariae, peripherial vasodilatation and hypoxia also contribute to the deleterius complications. The role of pneumococci in this process seems to be especially significant since this pathogen exhibit a unique direct cardiotoxic effect, namely directly invades the myocardium and produce cardiotoxic substances. As a consequence, impairement of cardiomyocite function and contractility and formation of microscopic lesions in which later collagen deposition and long-term cardiac scarring can be detected. These pathological processes are developed despite of antibiotic treatment, consequently, vaccination against pneumococcal infection seems to be the only method for efficacious prevention of the myocardium damage and cardiovascular adverse events. According to the results of the CAPITA study, the conjugate polisaccharide vaccine decrease the number of pneumococcal pneumonia and invasive pneumococcal infections by 45 and 75% resp. in the elderly population. The recognition of the direct and indirect role of pneumococci in the development of early and late cardiovascluar adverse events gives a new aspect of the beneficial effect of efficacious vaccination.]

LAM Extra for General Practicioners



[Various medical associations issue different recommendations for the prevention and treatment of vitamin D deficiency. These significant differences are partly explained by the different definition of normal vitamin D level and the use of completely different mathematical models to predict the increase in vitamin D level as a response to therapy. According to the Institute of Medicine (IOM), the target vitamin D level is 20 ng/ml, whereas the Endocrine Society (ES) recommends 30 ng/m as the miminum target value. According to the ES, a 1 ng/ml increase of vitamin D level can be reached by a daily intake of 100 NE, while the IOM recommends 3.6 ng/ml. Moreover, the IOM states that the effect of therapy on serum level is nonlinear. These differences show that the ES and IOM have different views on the risk of adverse effects. The IOM recommends 400 IU vitamin D daily for children younger than 1 year, 800 IU for those above 70 years and 600 IU/per day for everyone else. The ES recommend 400-1000 IU daily for all infants and 1500- 2000 IU for adults. Screening, however, is not recommended by either society. To decrease uncertainty concerning the side effects of higher-dose vitamin D treatment, it is important to understand, use and support the function of the pharmacovigilance system of the pharmaceutical industry that manufactures and markets various (prescription, over-the-counter) preparations. This is what the author aims to highlight in the second part of this article. Using this system, both the doctor and the patient can help support and accept the justification of higher-dose vitamin D therapy.]