نتایج جستجو برای: functional ct
تعداد نتایج: 712257 فیلتر نتایج به سال:
Introduction & Objective: Because of widespread use of Functional Endoscopic Sinus Surgery (FESS) technique and basic role of coronal CT- Scan in understanding of normal drainage route of Para-nasal sinuses, identifying the major patterns of inflammatory sinonasal disease and accompanied anatomical variations is crucial for appropriate preoperative surgical planning. The purpose of this stu...
BACKGROUND Aging is a major co-risk factor in many neurodegenerative diseases. Cognitive enrichment positively affects the structural plasticity of the aging brain. In this study, we evaluated effects of a set of structured multimodal activities (Combination Training; CT) on cognitive performances, functional connectivity, and cortical thickness of a group of healthy elderly individuals. CT las...
conclusions pet/ct can provide diagnosis and more accurate staging, location of tumor with its capability in providing the anatomical and physiological information synchronizes. therefore pet/ct plays an important role in oncology. objectives in this paper, we evaluate application of pet/ct for improve oncologic imaging. methods the papers were searched in pubmed and scopus databases with the r...
The usefulness of whole body magnetic resonance imaging (MRI) and positron emission tomography (PET)/computed tomography (CT) in haematological malignancies is reviewed. PET/CT combining functional and anatomical information is currently a valuable tool in the management of patients with lymphoma, especially in the assessment of early treatment response. MRI is advantageous in evaluating bone m...
The purpose of the present study was to assess the contribution of simultaneous functional/anatomical imaging using integrated 18F-fluorodeoxyglucose-positron emission tomography/computed tomography (FDG-PET/CT), compared with PET alone for the evaluation of initial lymph node staging in esophageal cancer. We studied 167 consecutive patients with thoracic esophageal squamous cell carcinoma (SCC...
This paper presents a novel method for segmenting functional and anatomical structures simultaneously. The proposed method unifies domains of anatomical and functional images (PET-CT), represents them in a product lattice, and performs simultaneous delineation of regions based on a random walk image segmentation. In addition, we propose a simple yet efficient object/background seed localization...
Owing to the rarity and biological clinical heterogeneity of gastroenteropancreatic neuroendocrine neoplasia (GEP NEN), management these patients may be challenging for physicians. This review highlights specific features GEP NEN with particular attention on role Ki67 heterogeneity, potential prognostic novel radiological techniques, usefulness functional imaging, including 68Ga-DOTA-SST PET/CT...
OBJECTIVE This study compared the effectiveness of two group treatments, behavioral activation (BA) and cognitive therapy (CT), in reducing subsyndromal anxiety and depressive symptoms in a sample of Iranian university students. METHOD Twenty-seven Iranian university students who scored 18 or higher on the depression subscale and 16 or higher on the anxiety subscale of the Depression, Anxiety...
A clinical prototype of combined Combined Positron Emission Tomography (PET) / Computed Tomography (CT) system went under the clinical evaluation in 1998. After three years of research and clinical evaluation first clinical combined PET/CT system was installed in a clinic in 2001 [1-3]. Gradually clinical utilization of combined PET/CT increased tremendously particularly in oncological imaging ...
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