نتایج جستجو برای: cardiac ct
تعداد نتایج: 405058 فیلتر نتایج به سال:
PURPOSE We aimed to investigate the coronary venous system and its variations by using dual source computed tomography (CT). MATERIALS AND METHODS Retrospective assessment was carried out on 339 patients who underwent coronary CT angiography using 128-slice dual source CT for suspected coronary artery disease. The examinations were performed according to routine imaging protocols used to eval...
Cardiac masses are rare entities that can be broadly categorized as either neoplastic or non-neoplastic. Neoplastic masses include benign and malignant tumors. In the heart, metastatic tumors are more common than primary malignant tumors. Whether incidentally found or diagnosed as a result of patients' symptoms, cardiac masses can be identified and further characterized by a range of cardiovasc...
Diffusely increased glucose metabolic activity in the right and left ventricles using 2-deoxy-2-(F-18) fluoro-D-glucose positron emission tomography/computed tomography (18F-FDGPET/CT) and global left ventricular hypokinesia at echocardiography can be evident in acute myocarditis. But, there has been no case report that the ventricular 18F-FDGuptake remains unchanged even ...
Background & Aims: Intrapericardial immature teratoma is a rare, primary cardiac tumor that often causes symptoms through pressure on the structures of the cardiovascular and/or respiratory system and can potentially be fatal. Immature teratoma has the potential to be malignant. Case Report: The patient was a three-day old term male neonate that was admitted in neonatal ICU due to respirator...
Cardiac C-arm CT is a promising technique that enables 3D cardiac image acquisition and real-time fluoroscopy on the same system. Retrospective ECG gating techniques have already been adapted from clinical cardiac CT that allow 3D reconstruction using retrospectively gated projection images of a multi-sweep C-arm CT scan according to the desired cardiac phase. However, it is known that retrospe...
Cardiotrophin-1 (CT-1) is a member of the IL-6 family of cytokines which was originally discovered as a factor which can induce hypertrophy of cardiac myocytes both in vitro and in vivo. Subsequently, CT-1 has been shown to have a wide variety of different effects on cardiac and non cardiac cells including the ability to stimulate the survival of both cardiac and neuronal cells. Interestingly, ...
Cardiac computed tomography (CT) is an evolving modality that includes a variety of examinations to assess the anatomy and pathology of the cardiac chambers, valves, myocardium, coronary arteries and veins, pericardium, aortic root, and central great vessels. The development of multidetector CT scanners with increasing numbers of detector rows, narrow section thicknesses, increasing scanner spe...
A criss-cross heart is an extremely rare congenital anomaly that is commonly associated with complex cardiac defects. The literature on imaging of such a condition is limited. In particular, cardiac CT imaging of criss-cross heart is sparse. We present a case of a full-term infant with criss-cross heart, in which cardiac CT delineated the complex heart anatomy and confirmed known echocardiograp...
OBJECTIVE Although there has been an increasing interest in diagnosing cardiac and pericardial diseases using electrocardiogram-gated cardiac computed tomography (CT), radiologists tend to neglect or overlook many incidentally detected abnormalities on conventional, nongated chest CT. The objective of this study is to describe the imaging appearance and clinical significance of such cardiac or ...
OBJECTIVE Cardiotrophin-1 (CT-1) is an interleukin-6-related cytokine with known hypertrophic and protective actions upon cardiac myocytes. We provide here the first report of cardiac tissue and plasma levels of CT-1 in human and experimental hypertension, demonstrate cardiac CT-1 secretion stimulated by ventricular stretch, and characterise molecular forms of CT-1 in tissue and plasma. METHO...
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