منابع مشابه
Imaging artifacts of medical instruments in ultrasound-guided interventions.
OBJECTIVE Real-time 3-dimensional (3D) ultrasound imaging has the potential to become a dominant imaging technique for minimally invasive surgery. One barrier to its widespread use is that surgical instruments generate imaging artifacts, which can obfuscate their location, orientation, and geometry and obscure nearby tissue. The purpose of this study was to identify and describe the types of ar...
متن کاملReduction of Aliasing Artifacts in Diffusion-Weighted PROPELLER Imaging
Introduction Diffusion imaging is typically performed in axial planes. This is largely due to its reliance on single-shot echo-planar imaging (EPI) which suffers from increased image distortion in sagittal and coronal planes because of concomitant gradient fields [1-2], especially with strong gradients and/or at relatively low B0-fields (including 1.5T). Diffusion-weighted (DW) imaging in non-a...
متن کاملImaging Artifacts
Artifacts can be defined as any structure in an ultrasound image that does not have a corresponding anatomic tissue structure. Artifacts are a common occurrence in an ultrasound display since they are often the result of the physical properties of ultrasound itself. Recognizing artifacts is essential to proper ultrasound interpretation, as not identifying an artifact as such may lead to unwarra...
متن کاملReduction of Nasal Bone Fracture using Ultrasound Imaging during Surgery
BACKGROUND Most nasal bone fractures are corrected using non-invasive methods. Often, patients are dissatisfied with surgical outcomes following such closed approach. In this study, we compare surgical outcomes following blind closed reduction to that of ultrasound-guided reduction. METHODS A single-institutional prospective study was performed for all nasal fracture patients (n=28) presentin...
متن کاملPET/CT imaging artifacts.
The purpose of this paper is to introduce the principles of PET/CT imaging and describe the artifacts associated with it. PET/CT is a new imaging modality that integrates functional (PET) and structural (CT) information into a single scanning session, allowing excellent fusion of the PET and CT images and thus improving lesion localization and interpretation accuracy. Moreover, the CT data can ...
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ژورنال
عنوان ژورنال: Journal of Student Research
سال: 2017
ISSN: 2167-1907
DOI: 10.47611/jsr.vi.550