Roles of Nuclear Cardiology, Cardiac Computed Tomography, and
... Vascular calcification has been associated with atherosclerosis since the 1920s (1). In 1959, Blankenhorn and Stern described the importance of coronary artery calcium (CAC) as a marker of coronary atherosclerosis (2). For many years, the assessment of CAC using fluoroscopy was recognized as providi ...
... Vascular calcification has been associated with atherosclerosis since the 1920s (1). In 1959, Blankenhorn and Stern described the importance of coronary artery calcium (CAC) as a marker of coronary atherosclerosis (2). For many years, the assessment of CAC using fluoroscopy was recognized as providi ...
Breast Biopsy
... an understanding of the strengths and limitations of histopathologic evaluation of breast biopsies. Regularly held radiology–pathology correlation conferences not only serve to resolve imaging and pathology discrepancies, but also can be an effective means of developing mutual understanding of each ...
... an understanding of the strengths and limitations of histopathologic evaluation of breast biopsies. Regularly held radiology–pathology correlation conferences not only serve to resolve imaging and pathology discrepancies, but also can be an effective means of developing mutual understanding of each ...
Dosimetry in diagnostic radiology : an
... Standards Dosimetry Laboratory (SSDL) network. For some time now there has been a growing awareness that radiation dose originating from medical diagnostic procedures in radiology is contributing an increasing proportion of the total population dose. This has been particularly evident for examinatio ...
... Standards Dosimetry Laboratory (SSDL) network. For some time now there has been a growing awareness that radiation dose originating from medical diagnostic procedures in radiology is contributing an increasing proportion of the total population dose. This has been particularly evident for examinatio ...
Diffusion Tensor Imaging: Concepts and Applications
... nates. Diffusion anisotropy in white matter originates from its specific organization in bundles of more or less myelinated axonal fibers running in parallel, although the exact mechanism is still not completely understood (see below): diffusion in the direction of the fibers is faster than in the p ...
... nates. Diffusion anisotropy in white matter originates from its specific organization in bundles of more or less myelinated axonal fibers running in parallel, although the exact mechanism is still not completely understood (see below): diffusion in the direction of the fibers is faster than in the p ...
pet/ct atlas on quality control and image artefacts
... part by combining PET tomographs with computed tomography (CT) systems into a single gantry-based PET/CT imaging device. PET/CT systems became commercially available in 2001. Since then, over 5000 systems have been installed worldwide, with the number growing continuously and with most clinical PET- ...
... part by combining PET tomographs with computed tomography (CT) systems into a single gantry-based PET/CT imaging device. PET/CT systems became commercially available in 2001. Since then, over 5000 systems have been installed worldwide, with the number growing continuously and with most clinical PET- ...
Distal Humeral Osteotomy
... Clinical photograph of a patient with varus deformity of the distal humerus. Examination with the arm supination allows for accurate assessment of the deformity. of joint stability. Careful neurologic examination is important to assess for compression of the ulnar nerve in the cubital tunnel as a re ...
... Clinical photograph of a patient with varus deformity of the distal humerus. Examination with the arm supination allows for accurate assessment of the deformity. of joint stability. Careful neurologic examination is important to assess for compression of the ulnar nerve in the cubital tunnel as a re ...
14th International Conference for X
... We would like to dedicate this conference to Dr. Jim Dunn. Jim, an outstanding scientist and a dear friend, is recognized for major contributions to the field of X-ray lasers in which he was active for most of his career. He also made significant contributions to the study of high energy density pla ...
... We would like to dedicate this conference to Dr. Jim Dunn. Jim, an outstanding scientist and a dear friend, is recognized for major contributions to the field of X-ray lasers in which he was active for most of his career. He also made significant contributions to the study of high energy density pla ...
Influence of Horizontal Condylar Angle and X
... condyle are detected by these images fairly accurately [4,5] and this helps the clinician in planning the management of a patient with a TM disorder. Flattening of the articular surface, obvious bone erosion, osteosclerosis and large osteophytes are the degenerative osseous changes visualised on a p ...
... condyle are detected by these images fairly accurately [4,5] and this helps the clinician in planning the management of a patient with a TM disorder. Flattening of the articular surface, obvious bone erosion, osteosclerosis and large osteophytes are the degenerative osseous changes visualised on a p ...
Regional lung function and mechanics using image registration
... patient guidance and support throughout my study. I am greatly indebted to him for his inspiring and encouraging words and his wealth of brilliant ideas during the ...
... patient guidance and support throughout my study. I am greatly indebted to him for his inspiring and encouraging words and his wealth of brilliant ideas during the ...
The normal internal carotid artery: a CTA study
... assumed normal ICA diameter occluded by an atherosclerotic plaque, and is therefore dependent of the luminal diameter of the distal ICA. Figure 1 presents a sketch of the stenosis degree measurement according to the NASCET -style standard, and Figure 2 illustrates the actual CTA measurement of the r ...
... assumed normal ICA diameter occluded by an atherosclerotic plaque, and is therefore dependent of the luminal diameter of the distal ICA. Figure 1 presents a sketch of the stenosis degree measurement according to the NASCET -style standard, and Figure 2 illustrates the actual CTA measurement of the r ...
Energy Subtraction Methods as an Alternative to Conventional X
... mask and contrasted images which cause motion artifacts. An alternative approach, known as dual-energy or energy subtraction angiography (ESA) is one that exploits the iodine kedge by acquiring images with a low and high kV in rapid succession. The idea for ESA is to bring the benefits of DSA to car ...
... mask and contrasted images which cause motion artifacts. An alternative approach, known as dual-energy or energy subtraction angiography (ESA) is one that exploits the iodine kedge by acquiring images with a low and high kV in rapid succession. The idea for ESA is to bring the benefits of DSA to car ...
Usefulness of dental cone beam computed tomography (CBCT) for
... CT scanners have improved tremendously during the years after their first introduction by Hounsfield. The first generation scanners (Figure 1A) employed a source of radiation collimating the x-ray beam to a narrow (pencil-width) beam of x rays measuring approximately 3mm in width. The x-ray tube and ...
... CT scanners have improved tremendously during the years after their first introduction by Hounsfield. The first generation scanners (Figure 1A) employed a source of radiation collimating the x-ray beam to a narrow (pencil-width) beam of x rays measuring approximately 3mm in width. The x-ray tube and ...
Measurement of the Normal Optic Chiasm on Coronal
... the examinations had been performed with a 1.5-T General Electric (Milwaukee, Wis) Signa or 1.5-T Siemens (Cary, NC) Somatom MR system using routine imaging protocols, with additional 3-mm T1-weighted contiguous coronal sections used for measurements. Either noncontrast or contrast-enhanced images w ...
... the examinations had been performed with a 1.5-T General Electric (Milwaukee, Wis) Signa or 1.5-T Siemens (Cary, NC) Somatom MR system using routine imaging protocols, with additional 3-mm T1-weighted contiguous coronal sections used for measurements. Either noncontrast or contrast-enhanced images w ...
Intrinsic respiratory gating in small-animal CT
... well with values known from the literature. We could show that intrinsic respiratory gating in rodents makes additional gating hardware and preparatory efforts superfluous. This method improves image quality and allows derivation of functional data. Therefore it bears the potential to find wide appl ...
... well with values known from the literature. We could show that intrinsic respiratory gating in rodents makes additional gating hardware and preparatory efforts superfluous. This method improves image quality and allows derivation of functional data. Therefore it bears the potential to find wide appl ...
pdf
... 7 cm proximal to the elbow joint. passes through the cubital fossa to insert on the posterior aspect of the radial tuberosity. Like the Achilles tendon, the distal biceps tendon has no tendon sheath. The bicipital aponeurosis or lacertus fibrosis is the continuation of the anterior medial fascia sur ...
... 7 cm proximal to the elbow joint. passes through the cubital fossa to insert on the posterior aspect of the radial tuberosity. Like the Achilles tendon, the distal biceps tendon has no tendon sheath. The bicipital aponeurosis or lacertus fibrosis is the continuation of the anterior medial fascia sur ...
MRI SPINE
... superconducting magnet that the magnetic field is always on. • Under usual working conditions the field is never turned off. • Attention must be paid to keep all ferromagnetic items at an adequate distance from the magnet. • Ferromagnetic objects which came accidentally under the influence of these ...
... superconducting magnet that the magnetic field is always on. • Under usual working conditions the field is never turned off. • Attention must be paid to keep all ferromagnetic items at an adequate distance from the magnet. • Ferromagnetic objects which came accidentally under the influence of these ...
Attenuation, Scatter, and Spatial Resolution Compensation in SPECT
... for a constant value of θ [3]. By rotating the camera head about the patient a set of projections is acquired for different projection angles. This set of projections constitutes the data that will be used to estimate the source distribution from which they originated. Figure 2 shows the overlaid id ...
... for a constant value of θ [3]. By rotating the camera head about the patient a set of projections is acquired for different projection angles. This set of projections constitutes the data that will be used to estimate the source distribution from which they originated. Figure 2 shows the overlaid id ...
3D dose verification for advanced radiotherapy
... plan is usually designed applying anatomical information based on a snapshot in time, i.e. the planning computed tomography (CT)-scan, made typically one or two weeks before the patient starts the treatment. In order to avoid damage of healthy tissue and adequate coverage of the tumor, accurate geom ...
... plan is usually designed applying anatomical information based on a snapshot in time, i.e. the planning computed tomography (CT)-scan, made typically one or two weeks before the patient starts the treatment. In order to avoid damage of healthy tissue and adequate coverage of the tumor, accurate geom ...
Normal Sagittal and Coronal Suture Widths by Using CT Imaging
... Second, the patients’ medical charts were not reviewed to determine whether a patient who was given the results of normal or no acute intracranial pathology might have later developed complications. We feel this potential limitation is minimized in the closed community from which the sample was draw ...
... Second, the patients’ medical charts were not reviewed to determine whether a patient who was given the results of normal or no acute intracranial pathology might have later developed complications. We feel this potential limitation is minimized in the closed community from which the sample was draw ...
Normal Sagittal and Coronal Suture Widths
... Second, the patients’ medical charts were not reviewed to determine whether a patient who was given the results of normal or no acute intracranial pathology might have later developed complications. We feel this potential limitation is minimized in the closed community from which the sample was draw ...
... Second, the patients’ medical charts were not reviewed to determine whether a patient who was given the results of normal or no acute intracranial pathology might have later developed complications. We feel this potential limitation is minimized in the closed community from which the sample was draw ...
X-ray interpretation skills
... This x-ray demonstrates a lateral elbow x-ray. There is swelling anteriorly which is displaced known as a pathologic anterior fat pad sign There is swelling posteriorly known as a posterior ...
... This x-ray demonstrates a lateral elbow x-ray. There is swelling anteriorly which is displaced known as a pathologic anterior fat pad sign There is swelling posteriorly known as a posterior ...
Dental Caries Diagnostic Methods
... examination of every tooth surface, is by far the most commonly applied method in ...
... examination of every tooth surface, is by far the most commonly applied method in ...
Clinical applications of PET/MRI - Diagnostic and Interventional
... ABSTRACT Fully integrated positron emission tomography (PET)/magnetic resonance imaging (MRI) scanners have been available for a few years. Since then, the number of scanner installations and published studies have been growing. While feasibility of integrated PET/MRI has been demonstrated for many ...
... ABSTRACT Fully integrated positron emission tomography (PET)/magnetic resonance imaging (MRI) scanners have been available for a few years. Since then, the number of scanner installations and published studies have been growing. While feasibility of integrated PET/MRI has been demonstrated for many ...
tijdschriftnuleairege neeskunde - Tijdschrift voor Nucleaire
... developed countries. Also, recently PET/MRI systems as well hybrid tracers became available for clinical studies. In addition, in the field of preclinical imaging, multimodality imaging is now the state-of-the-art. The aim of this special issue is to learn our readers more about multimodality imagin ...
... developed countries. Also, recently PET/MRI systems as well hybrid tracers became available for clinical studies. In addition, in the field of preclinical imaging, multimodality imaging is now the state-of-the-art. The aim of this special issue is to learn our readers more about multimodality imagin ...