suspected when should computed tomography ct or magnetic resonance imaging of the cervica
Báo cáo y học: "Use of T2-weighted magnetic resonance imaging of the optic nerve sheath to detect raised intracranial pressure" pps
... monitoring We therefore undertook a retrospective analysis of MRI scans in a cohort of TBI patients with ICP monitoring in order to study the relationship between ONSD and ICP and to assess the ... readings were collected on a monitoring chart every 10 minutes The ICP Page of (page number not for citation purposes) value corresponding to the exact time of acquisition of the T2weighted MRI ... distension of the nerve sheath during increases in CSF pressure The negative predictive value of an ONSD under 5.82 mm for having ICP above 20 mmHg is more than 90% The early detection of raised...
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Báo cáo hóa học: " Adenoviruses with an avb integrin targeting moiety in the fiber shaft or the HI-loop increase tumor specificity without compromising antitumor efficacy in magnetic resonance imaging of colorectal cancer metastases" pdf
... virus, increased tumor cell transduction is achieved with adenoviruses with RGD moieties in the HI loop of the fiber or in the KKTK domain of the fiber [30] Furthermore, mutation of the KKTK domain ... individual tumors inside body cavity can be followed MRI allows also the use of non-subcutaneous tumor models for tumor growth follow-up Tumors grown in the correct organ likely resemble the human ... increased transduction of colorectal cancer cells with RGD targeted vectors, even if the vector interaction with CAR and HSPGs was abrogated However, in vivo the situation is more complicated...
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Báo cáo y học: "Long term evaluation of disease progression through the quantitative magnetic resonance imaging of symptomatic knee osteoarthritis patients: correlation with clinical symptoms and radiographic change" pps
... The extent of meniscal extrusion on the medial or lateral edges of the femoral tibial joint space, not including the osteophytes, was evaluated for the anterior, middle, and posterior horns of ... intraarticular corticoid injection in the study knee within the six months prior to the outset of the study, as well as their classification as radiological grade IV on the Kellgren-Lawrence scale for the ... the algorithm to trace the articular contour [22] The variation coefficient for JSW measurement for the original reliability study was 1% for repeat radiographs (test/retest) of the knee in the...
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Báo cáo y học: "Correlation of histopathological findings and magnetic resonance imaging in the spine of patients with ankylosing spondylitis" potx
... spine: in the vertebral bodies of thoracic vertebrae 11 and 12 of patient and at posterior sites of the vertebral bodies of thoracic vertebrae to including the zygapophyseal joints of patient ... illustration of the anatomy and detection of inflammation in the bone marrow The entire lumbar spine including the zygapophyseal joints and, if available, the thoracic spine was analyzed for increased ... vertebra of the lumbar spine; Th, vertebra of the thoracic spine Results Mononuclear cell infiltration We summarize the results of a semi-quantitative analysis of mononuclear cell infiltration in the...
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báo cáo khoa học: "Contribution of magnetic resonance imaging in the diagnosis of talus skip metastases of Ewing’s sarcoma of the calcaneus in a child: a case report" pdf
... especially for the investigation of tumor spread to bony structures and bone marrow MRI should always be performed in the analysis of Ewing’s sarcoma since it allows accurate evaluation of the tumor extent, ... scintigraphy and CT of the chest MRI is essential in the determination of the true extent of the tumor It is important to bear in mind that early recognition of an unusual appearance and location of Ewing’s ... available for review by the Editor-in-Chief of this journal Page of Abbreviations CT: computed tomography; MRI: magnetic resonance imaging Acknowledgements We wish to acknowledge Prof Arak Abdelfattah...
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Fast registration of contrast enhanced magnetic resonance images of the breast
... well the boundaries of the registered breast matched the original image in every slice of the subtraction image For artifact reduction, we looked at the amount of interior motion artifacts present ... corresponding voxel pairs The optimization of the transformation parameters often requires computation of the gradient of the MI- or NMI-based cost function with respect to the transformation parameters ... to the bulk of the computational load, and that the local support of the B-splines provides a natural structure for parallelized processing In the second part of this work, we propose a framework...
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Cardiovascular magnetic resonance imaging in the assesment of myocardial blood flow, viability, and diffuse fibrosis in congenital and acquired heart disease
... chambers or great vessels In 90% the fistula drains into the cavum of the right ventricle (Perloff 2003) The main therapeutic methods for correction of coronary fistulas are surgical or interventional ... defect, left ventricular outflow tract obstruction, abnormal coronary artery patterns, aortic coarctation or interrupted aortic arch (Kimball 2010) Various origins and distributions of the coronary ... locations of the thoracic aorta: aortic root (1), ascending aorta (2), descending aorta at the aortic isthmus (3), descending aorta above the diaphragm (4) Aortic area measurements were used for distensibility...
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Pocket Atlas of Sectional Anatomy Computed Tomography and Magnetic Resonance Imaging - Volume II Thorax, Heart, Abdomen, and Pelvis (Part 1 ) pptx
... MRI of the Thorax—Sagittal MRI of the Thorax—Coronal CT of the Heart CT Angiography MRT of the Heart—Two Chamber View of the ... are in accordance with the state of knowledge at the time of production of the book Nevertheless, this does not involve, imply, or express any guarantee or responsibility on the part of the publishers ... subject to terms and conditions of license 2 CT of the Thorax 33 34 35 36 37 38 Segments of the lungs Right Lung Apical segment of upper lobe Posterior segment of upper lobe Anterior segment of...
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Pocket Atlas of Sectional Anatomy Computed Tomography and Magnetic Resonance Imaging - Volume II Thorax, Heart, Abdomen, and Pelvis (Part 2 ) doc
... hepatic duct Cystic duct (spiral fold) Body of gallbladder Neck of gallbladder Cystic duct (pars flaccida, straight part) 10 11 Duodenum Left hepatic duct Common hepatic duct Pancreatic duct Common ... Tensor fasciae latae muscle Gluteus minimus muscle Sartorius muscle Iliopsoas muscle and rectus femoris muscle Acetabular lip (anterior part) Femoral artery, vein and nerve Ligament of head of ... tract Tensor fasciae latae muscle Rectus femoris muscle Femur (head) Sartorius muscle Iliopsoas muscle Femoral artery, vein and nerve Urinary bladder Rectus abdominis muscle Pubis (superior ramus)...
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Báo cáo y học: "Are bone erosions detected by magnetic resonance imaging and ultrasonography true erosions? A comparison with computed tomography in rheumatoid arthritis metacarpophalangeal joints" pptx
... isreassessed, then the reader gets the impression of the presence of anerosion, with the same configuration as on CT and radiography CT, computed tomography; MCP, metacarpophalangeal; MRI, magnetic resonance ... evaluated CT, computed tomography; MCP, metacarpophalangeal joint; MRI, magnetic resonance imaging; US, ultrasonography Therefore the main objective of the present study was to investigate whether ... the joint surfaces accessible for US examination (that is, the dorsal and palmar aspects of all joints and the radial aspect of the 2nd and the ulnar aspect of the 5th MCP joint), US achieved...
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Báo cáo y học: "Detection of bone erosions in rheumatoid arthritis wrist joints with magnetic resonance imaging, computed tomography and radiography" ppt
... score of when discrete, a score of if larger and a score of when the erosion extends over the imaginary middle of the bone If more than one erosion is present in a single bone, the sum of the ... and magnetic resonance images Generally, the larger and more advanced the erosion, the more difficult it was to define the exact border of the erosions The estimated erosion volumes of concordant ... respectively, when considering all 285 areas When more than one erosion was present in a bone, the sum of the volumes of erosions in the bone was used for comparison with the OMERACT score The...
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Báo cáo y học: "Soft-tissue perineurioma of the retroperitoneum in a 63-year-old man, computed tomography and magnetic resonance imaging findings: a case report" doc
... hypocellular tumors with myxoid stroma The immunohistochemical studies are often necessary for the diagnosis of soft-tissue perineurioma [3,4] To the best of our knowledge, MRI and CT images of soft-tissue ... patient for publication of this case report and accompanying images A copy of the written consent is available for review by the Editor-in-Chief of this journal Author details Departments of Radiology, ... Yasumoto et al.: Soft-tissue perineurioma of the retroperitoneum in a 63-year-old man, computed tomography and magnetic resonance imaging findings: a case report Journal of Medical Case Reports 2010...
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Báo cáo y học: "Soft-tissue perineurioma of the retroperitoneum in a 63-year-old man, computed tomography and magnetic resonance imaging findings: a case report." pps
... hypocellular tumors with myxoid stroma The immunohistochemical studies are often necessary for the diagnosis of soft-tissue perineurioma [3,4] To the best of our knowledge, MRI and CT images of soft-tissue ... patient for publication of this case report and accompanying images A copy of the written consent is available for review by the Editor-in-Chief of this journal Author details Departments of Radiology, ... Yasumoto et al.: Soft-tissue perineurioma of the retroperitoneum in a 63-year-old man, computed tomography and magnetic resonance imaging findings: a case report Journal of Medical Case Reports 2010...
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Báo cáo y học: " Risks associated with magnetic resonance imaging and cervical collar in comatose, blunt trauma patients with negative comprehensive cervical spine computed tomography and no apparent spinal deficit" pdf
... 84.7%) of 158 observations [40-44,46,47] In the other 33 patients, ICP decreased or was without change Three studies [40,41,45] described the effect of lowering the head of the bed when the head ... Stable patients (600 functional survivorsa) a'Functional survivors' are the expected functional survivors per 1,000 patients BP, blood pressure; CS, cervical spine; CT, computed tomography; ICP, intracranial ... Several authors have questioned the use of dynamic fluoroscopy or have abandoned the procedure because of inadequate CS imaging, safety concerns, or expense [14-17] There are four common cervical...
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Policy implications of the computed tomography (CT) scanner
... collected by the detector Information from the detector is fed into a computer, which reconstructs and displays an image of a cross section of the body Source Off Ice of Technology Assessment CT scanning ... Efficacy-l, the information content of the procedure; Efficacy-z, the use of the diagnostic information in prescribing treatment or in gathering more information; and Efficacy-3, the expected value of ... introduction of CT scanning (21) In the year before introduction of the CT scanner, 33 percent of patients had such 36 Ch 3–Efficacy and Safety surgery; in the year following introduction of the CT...
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Tài liệu Magnetic resonance imaging and gynecological devices doc
... [5] The size and shape of the artifact depend on the size, shape, orientation and nature of the metal, as well as the sequences used in the exam [6] The artifact created by a ferromagnetic object ... larger than that originated by a nonferromagnetic object [7] — the stronger the ferromagnetic nature of the object, the more intense the registered signal will be Technically speaking, magnetic susceptibility ... (ASTM), in order to assess the presence of movement/deflection, torsion, a rise in the device's temperature due to radiofrequency or the creation of image artifacts In 1997, the FDA's Center for Devices...
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Tài liệu Functional Magnetic Resonance Imaging – Advanced Neuroimaging Applications Edited by Rakesh Sharma doc
... expressed in the chapters are these of the individual contributors and not necessarily those of the editors or publisher No responsibility is accepted for the accuracy of information contained in the ... and the primary visual cortex (V1) The ascending visual pathway begins when light hits the back of the retina and stimulates the photoreceptors (rods and cones) These photoreceptors transform ... nasal retina of each eye cross over to join the temporal fibers of the fellow eye to form the optic tract (Schwartz, 2004) The long axons of the retinal ganglion cells leave the eye, form the second...
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Guy Fawkes or A Complete History Of The Gunpowder Treason, A.D. 1605 pot
... for their project; and therefore they agreed to quit London for a season, intending to return sufficiently early for the completion of the work before the opening of the session The conspirators ... towards the families of the conspirators By the statute respecting treason the property of the convicted traitor is forfeited to the crown; but in the cases of these individuals the children or heirs ... view of the manners of the age when contrasted with those of our own times It appears that the inferior officers of the House made the most of their privileges At this stage of the discovery, the...
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COSMOS A SKETCH OR A PHYSICAL DESCRIPTION OF THE UNIVERSE ppt
... configuration of the surface, or of the character of vegetation Reminiscences of the woody valleys of the Cordilleras and of the Peak of Teneriffe Advantages of the mountainous region near the equator, ... elevated above the level of the sea (the study of the geographical form and outlines of the different parts of the earth Classification of rocks according to the scale of the phenomena of structure and ... of nature from the 'future' History of the world and description of the world p 26-73 Attempts to embrace the multiplicity of the phenomena of the Cosmos in the unity of thought and under the...
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báo cáo hóa học:" Dynamic magnetic resonance imaging in assessing lung function in adolescent idiopathic scoliosis: a pilot study of comparison before and after posterior spinal fusion" doc
... one or more limbs, urinary incontinence or nocturnal enuresis None of the subjects had any history of pulmonary diseases and they were free from any respiratory symptoms or acute respiratory ... restricted, i.e the chest wall and the diaphragmatic motions were as mobile as those in the normal subjects and therefore there was no suggestion of neuromuscular dysfunction in AIS [5] Page of ... examination of the chest was performed in all subjects within two weeks before the operation, while the post operative MRI was performed after months from the date of surgery MRI examination was performed...
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