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The term "phantom" describes an object that is designed to resemble human tissue and can be evaluated, analyzed or manipulated to study the performance of a medical device. Phantoms are created using a digital file that is rendered through magnetic resonance imaging (MRI) or computer-aided design (CAD).
It is used for accreditation by clinical and academic facilities for the American College of Radiology. [2] [3] The phantom was developed by Ronald J. Jaszczak [4] of Duke University, [5] and was filed for a patent in 1982. [6] It is a cylinder containing fillable inserts that is often used with a radionuclide such as Technetium-99m [7] or ...
ACR Education Center – located in Reston, VA, offers specialized mini-fellowships in more than a dozen clinical areas. [3]American Institute for Radiologic Pathology (AIRP) – The AIRP conducts five courses for radiology residents and fellows, and seven categorical courses for practicing radiologists and other physicians each year in Silver Spring, MD.
Modern 3 Tesla clinical MRI scanner.. Magnetic resonance imaging (MRI) is a medical imaging technique mostly used in radiology and nuclear medicine in order to investigate the anatomy and physiology of the body, and to detect pathologies including tumors, inflammation, neurological conditions such as stroke, disorders of muscles and joints, and abnormalities in the heart and blood vessels ...
Interventional magnetic resonance imaging, also interventional MRI or IMRI, is the use of magnetic resonance imaging (MRI) to do interventional radiology procedures.. Because of the lack of harmful effects on the patient and the operator, MR is well suited for "interventional radiology", where the images produced by an MRI scanner are used to guide a minimally-invasive procedure ...
Computer-aided detection (CADe), also called computer-aided diagnosis (CADx), are systems that assist doctors in the interpretation of medical images.Imaging techniques in X-ray, MRI, endoscopy, and ultrasound diagnostics yield a great deal of information that the radiologist or other medical professional has to analyze and evaluate comprehensively in a short time.
The phantom has a 4D beating heart model which was derived from 4D tagged (MRI) data. The remaining organs in the torso of the phantom were designed based on the Visible Human Project CT data set and were composed of 3D NURBS surfaces. Respiratory motion was also incorporated into this phantom.
Contact: Biomedizinische NMR Forschungs GmbH am Max-Planck-Institut für biophysikalische Chemie Am Fassberg 11 37077 Göttingen Literature: Martin Uecker, Shuo Zhang, Dirk Voit, Alexander Karaus, Klaus-Dietmar Merboldt, and Jens Frahm, Real-time magnetic resonance imaging at a resolution of 20 ms, NMR in Biomedicine 23: 986–994 (2010) DOI:10.1002/nbm.1585