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Surface coil

Phased array surface coil MR of the orbits and optic nerves

Phased array surface coil MR of the orbits and optic nerves

... Design of the phased array has been previously de- scribed (5). Briefly, the system we used consisted of a phased-array coil pair. Each of the two individual coils was shaped to approximate the curve of the head, ...

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High resolution surface coil MR of cortical lesions in medically refractory epilepsy: a prospective study

High resolution surface coil MR of cortical lesions in medically refractory epilepsy: a prospective study

... on surface-coil studies (Fig ...on surface-coil images and were therefore more compatible with indeterminate foci of T2 ...on surface- coil images, owing to the detection of mild ...

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Surface coil MR of spinal trauma: preliminary experience

Surface coil MR of spinal trauma: preliminary experience

... Even at this early stage of development, surface coil MR promises to become important in the evaluation of spinal trauma, not only in assessing the integrity of the spinal canal and cord[r] ...

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A Simple Numerical Method to Compute the Signal-to-Noise Ratio of a Magnetic Resonance Imaging Surface Coil

A Simple Numerical Method to Compute the Signal-to-Noise Ratio of a Magnetic Resonance Imaging Surface Coil

... MRI surface coil had the following dimensions: thickness of ...the surface coil model used to numerically compute both the electric and magnetic ...

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Rheumatoid Arthritis of the Cervical Spine: Surface Coil MR Imaging

Rheumatoid Arthritis of the Cervical Spine: Surface Coil MR Imaging

... Plain films and tomograms were evaluated for the following : 1 atlantodental interval and basion-dental interval; 2 density of the dens; 3 dens erosion; 4 cranial settling; 5 anterior, p[r] ...

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High Resolution Surface Coil Imaging of Lumbar Disk Disease

High Resolution Surface Coil Imaging of Lumbar Disk Disease

... Disk herniation at L4-L5 short arrow impinges on thecal sac, while bulge at L5-S1 white arrowhead displaces epidural fat, but does not impinge on thecal sac.. Excellent contrast between [r] ...

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High field surface coil MR imaging of localized anatomy

High field surface coil MR imaging of localized anatomy

... Initial results demonstrate that significantly improved resolution of small anatomic structures is possible when surface coils are used as receiver elements in high-field MR imaging syst[r] ...

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Preoperative Evaluation of Cervical Radiculopathy and Myelopathy by Surface Coil MR Imaging

Preoperative Evaluation of Cervical Radiculopathy and Myelopathy by Surface Coil MR Imaging

... Selective follOw-up by CT myelography appears capable of detecting operable cervical lesions missed in a small minority of patients by screening MR images and plain films.. Noninvasive s[r] ...

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Surface coil MR imaging of orbital blowout fractures: a comparison with reformatted CT

Surface coil MR imaging of orbital blowout fractures: a comparison with reformatted CT

... Then, additional images of other planes were obtained-an axial plane along the course of the medial rectus muscle in the case of the medial wall fracture and an oblique sagittal plane pa[r] ...

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Surface coil MR imaging of orbital neoplasms

Surface coil MR imaging of orbital neoplasms

... Although several types of orbital neoplasms had moderate signal intenSity on T1-weighted images, only two types melanoma and retinoblastoma were hypointense on T2-weighted images.. The a[r] ...

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Surface Coil MR of Orbital Pseudotumor

Surface Coil MR of Orbital Pseudotumor

... Metastases appeared markedly hyperintense to fat on T2weighted images, while hematoma was hyperintense to muscle and isointense to fat on T1-weighted images and markedly hyperintense to [r] ...

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High Sensitivity Coil Array for Head and Neck Imaging: Technical Note

High Sensitivity Coil Array for Head and Neck Imaging: Technical Note

... that surface coil array ...array coil can allow use of these techniques in the study of primary tumors and neck node disease, as well as in the serial study of responses to ...

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Automatic segmentation of myocardium at risk from contrast enhanced SSFP CMR: validation against expert readers and SPECT

Automatic segmentation of myocardium at risk from contrast enhanced SSFP CMR: validation against expert readers and SPECT

... MaR. Surface coil intensity correction was shown to increase regional ...The surface coil correction was based on in- tensities in remote myocardium and blood pool and thereby the bright blood ...

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High Resolution MRI of the Intraparotid Facial Nerve Based on a Microsurface Coil and a 3D Reversed Fast Imaging with Steady State Precession DWI Sequence at 3T

High Resolution MRI of the Intraparotid Facial Nerve Based on a Microsurface Coil and a 3D Reversed Fast Imaging with Steady State Precession DWI Sequence at 3T

... 4-cm-diameter surface coil (3T Loop, 4 cm; Siemens). The coil was placed directly on the skin and was centered on the parotid ...the coil plane should be in parallel with the z-axis of the ...

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Impact of fixation, coil, and number of excitations on diffusion tensor imaging of rat brains at 7.0 T

Impact of fixation, coil, and number of excitations on diffusion tensor imaging of rat brains at 7.0 T

... receiving surface coil with a transmit radiofrequency coil was used for both in vivo and ex vivo brain imaging, whereas a volume coil with a 23-mm inner diameter and 44-mm outer diameter for ...

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In Vivo High Resolution MR Imaging of Neuropathologic Changes in the Injured Rat Spinal Cord

In Vivo High Resolution MR Imaging of Neuropathologic Changes in the Injured Rat Spinal Cord

... a surface coil provides extremely high-resolution visualization of structural changes occurring in the rat spinal cord following a contusion injury ex vivo and in vivo, which is superior to the best-known ...

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Performance Characteristics of the 10hp Induction Machine

Performance Characteristics of the 10hp Induction Machine

... charge his electronic equipment efficiently. Nikola Tesla a Serbian American scientist, a futurist precisely of the year 1856, used high electric fields [9-10] to transfer large quantities of energy by ionizing the air ...

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Wireless Power Transmission: A Practical Approach and Performance With “InTes Coil”

Wireless Power Transmission: A Practical Approach and Performance With “InTes Coil”

... InTes Coil. The work is proposing a coil, ...IntTes coil, the receiver coil and InTes coil is performing through wireless power ...Induction coil and Tesla ...InTes coil. ...

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RESIDUE APPROACH TO MATHEMATICAL ANALYSIS OF THE MOVING COIL GALVANOMETER

RESIDUE APPROACH TO MATHEMATICAL ANALYSIS OF THE MOVING COIL GALVANOMETER

...  Restoring couple ( Ʈ r ) arises due to twist in the suspension fibre and depends directly upon the deflection of the coil from mean position i.e. Ʈ s = −C ϴ(t), where 𝐶 is torsional rigidity of suspension fibre, ...

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Hyperloop Transportation System using Electromagnetism

Hyperloop Transportation System using Electromagnetism

... is coil will have 1- ohm resistance and approximately 150 ...stage coil, one will be activated by applying 24-volt DC supply but where to apply a pulse of current so that the coil ...

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