نتایج جستجو برای: hybrid imaging

تعداد نتایج: 643179  

Ramin Akbaripour Saleh Salehi Zahabi

Introduction: All of the Imaging modalities have advantages and disadvantages alone. So if we want to have the best and perfect image, combining these modalities produces something we desired. PET-MR images consist of morphologic and metabolic data. MRI and PET provide high spatial and contrast resolution and high sensitivity and molecular information respectively. Hybrid PET-...

Journal: :iranian journal of radiation research 0
t.a. heusner university of dusseldorf, medical faculty, department of diagnostic and interventional radiology, d-40225 dusseldorf, germany c. mikat university of duisburg-essen, medical faculty, department of diagnostic and interventional radiology and neuroradiology, d-45147 essen, germany s. hahn university of duisburg-essen, medical faculty, department of diagnostic and interventional radiology and neuroradiology, d-45147 essen, germany j. altenbernd university of duisburg-essen, medical faculty, department of diagnostic and interventional radiology and neuroradiology, d-45147 essen, germany a. stahl university of duisburg- essen, medical faculty, department of nuclear medicine, d-45147 essen, germany a. bockisch university of duisburg- essen, medical faculty, department of nuclear medicine, d-45147 essen, germany

background: to retrospectively describe imaging characteristics of liver metastases on fused fdg-pet/ mri data sets and to compare the diagnostic accuracy of mri and fused fdg-pet/mri data sets for the detection of liver metastases in patients undergoing systemic anticancer treatment. materials and methods: 43 oncological patients (mean age: 56+/- 11 years) were investigated by fdg-pet/ct and l...

Journal: :iranian journal of nuclear medicine 2007
mohammad reza ay saeed sarkar

the advent of dual-modality pet/ct imaging has revolutionized the practice of clinical oncology, cardiology and neurology by improving lesions localization and the possibility of accurate quantitative analysis. in addition, the use of ct images for ct-based attenuation correction (ctac) allows to decrease the overall scanning time and to create a noise-free attenuation map (μmap). the near simu...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تحصیلات تکمیلی علوم پایه زنجان - دانشکده فیزیک 1390

در این پایان نامه همبستگی بین سرعت بادهای سطحی و عمق اپتیکی هواویزهای جو زنجان در فاصله ی زمانی ? فروردین ???? تا ?? شهریور ???? بررسی شده است. زنجان در شمال غرب ایران در عرض جغرافیایی ??/?? درجه ی شمالی، طول جغرافیایی ??/?? درجه ی شرقی و ارتفاع ???? متر از سطح دریای آزاد واقع شده است. هواویز غالب در جو زنجان غبار است. داده های عمق اپتیکی هواویزها از دستگاه شیدسنج خورشیدی و داده های سرعت باد از...

Mohammad Reza Ay Saeed Sarkar

  The advent of dual-modality PET/CT imaging has revolutionized the practice of clinical oncology, cardiology and neurology by improving lesions localization and the possibility of accurate quantitative analysis. In addition, the use of CT images for CT-based attenuation correction (CTAC) allows to decrease the overall scanning time and to create a noise-free attenuat...

Journal: :Journal of the American College of Cardiology 2013

Journal: :European Heart Journal 2011

Journal: :World Journal of Gastroenterology 2011

2011
Thomas Beyer David W. Townsend Johannes Czernin Lutz S. Freudenberg

Since the 1990s, hybrid imaging by means of software and hardware image fusion alike allows the intrinsic combination of functional and anatomical image information. This review summarises the state-of-the-art of dual-modality imaging with a focus on clinical applications. We highlight selected areas for potential improvement of combined imaging technologies and new applications. In the second ...

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