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      Myocardial Perfusion Spect Imaging in Dextrocardia: A Case Report

      case-report

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          Abstract

          The myocardial perfusion scintigraphy acquisition and analysis present some technical differences in the rare dextrocardia cases. Here we report a case of a 38 year-old woman with dextrocardia who had been applied myocardial perfusion scintigraphy. Presented case showed that the thoracic and abdominal organs had a mirror image with situs inversus totalis type dextrocardia. The incidence of coronary heart disease and life span of people with situs inversus totalis are the same as the normal population. So we may apply myocardial perfusion scintigraphy to this patient group. The current case is presented in order to remind the special applications of myocardial perfusion SPECT imaging in patients with dextrocardia.

          Conflict of interest:None declared.

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          Most cited references14

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          Minimally-invasive coronary surgery in dextrocardia and situs inversus totalis.

          Dextrocardia associated to situs inversus totalis is a rare congenital conditions (prevalence of 1:10,000) in which the organs are located in a symmetric or mirror position in the opposite side of the body. These individuals usually have a normal life expectancy and the same propensity to develop ischaemic coronary disease as the general population. We report a case of a 59-year-old female patient with a single-vessel obstructive coronary disease successfully resolved via a right anterior small thoracotomy on a beating-heart using the right internal thoracic artery as a conduit for 'left' anterior descending coronary artery.
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            Added value of attenuation-corrected myocardial perfusion scintigraphy in a patient with dextrocardia.

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              Thallium-201 myocardial SPECT in a patient with mirror-image dextrocardia and left bundle branch block.

              A 53-year-old male patient with a previous diagnosis of situs inversus with mirror-image dextrocardia underwent thallium-201 (Tl-201) stress-redistribution myocardial perfusion single photon emission computed tomography (SPECT). Electrocardiogram (ECG) obtained on right hemithorax revealed constant complete left bundle branch block. Tl-201 stress-redistribution SPECT images revealed abnormal perfusion with reversible ischemia in the anteroseptal, septal and inferoseptal walls. Coronary angiography performed 1 month after SPECT study was normal. This case illustrates that false positive reversible perfusion defects can be seen in patients with mirror-image dextrocardia associated with constant complete left bundle branch block. To our knowledge, this is the first reported case of mirror-image dextrocardia and constant complete left bundle branch block with false positive Tl-201 SPECT findings.
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                Author and article information

                Journal
                Mol Imaging Radionucl Ther
                MIRT
                Molecular Imaging and Radionuclide Therapy
                Galenos Publishing
                2146-1414
                2146-1414
                August 2013
                1 August 2013
                : 22
                : 2
                : 70-72
                Affiliations
                [1 ] On Sekiz Mart University Faculty of Medicine, Department of Nuclear Medicine, Çanakkale, Turkey
                [2 ] State of Hospital , Department of Cardiology, Çanakkale, Turkey
                Author notes
                * Address for Correspondence: On Sekiz Mart University Faculty of Medicine, Department of Nuclear Medicine, Çanakkale, Turkey Phone: +90 532 786 93 90 E-mail: Semozdemir@ 123456yahoo.com
                Article
                520
                10.4274/Mirt.151
                3759314
                24003402
                2d996789-07e2-4e83-9690-a0154733020d
                © Molecular Imaging and Radionuclide Therapy, Published by Galenos Publishing.

                This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

                History
                : 5 September 2011
                : 5 October 2011
                Categories
                Case Report

                dextrocardia,myocardial perfusion imaging
                dextrocardia, myocardial perfusion imaging

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