constructive interference
Normal Cranial Nerves in the Cavernous Sinuses: Contrast Enhanced Three Dimensional Constructive Interference in the Steady State MR Imaging
... Three-dimensional (3D) constructive interference in steady state (CISS) is a high spatial–resolution, refocused, gradient-echo sequence that is flow com- pensated. The 3D CISS sequence depicts small struc- ...
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Improved Detection of Intraventricular Cysticercal Cysts with the Use of Three dimensional Constructive Interference in Steady State MR Sequences
... BACKGROUND AND PURPOSE: Before the advent of MR imaging, intraventricular cysts were difficult to diagnose noninvasively. Among the invasive procedures used were contrast ventriculography and CT ventriculography. MR ...
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Detection of acoustic schwannoma: use of constructive interference in the steady state three dimensional MR
... compare constructive interference in the steady state (CISS) three-dimensional Fourier transform (3DFT) MR imaging with contrast-enhanced T1-weighted spin-echo MR imaging for accuracy in detecting acoustic ...
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Diagnostic Accuracy of the Constructive Interference in Steady State Sequence Alone for Follow Up Imaging of Vestibular Schwannomas
... BACKGROUND AND PURPOSE: Vestibular schwannoma (VS) is a benign, slow-growing tumor, and radiologic monitoring is an acceptable alternative to surgery in small lesions and in elderly patients. MR imaging with contrast is ...
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MR Cisternography of the Cerebellopontine Angle: Comparison of Three dimensional Fast Asymmetrical Spin echo and Three dimensional Constructive Interference in the Steady state Sequences
... Heavily T2-weighted MR cisternography of the cerebellopontine angle has been used for the eval- uation of various pathologic processes. It has been reported to be an excellent screening tool and also to be useful for ...
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3 T Imaging of the Cochlear Nerve and Labyrinth in Cochlear Implant Candidates: 3D Fast Recovery Fast Spin Echo versus 3D Constructive Interference in the Steady State Techniques
... structive interference in the steady state (CISS), which is also referred to as fast imaging employing steady-state acquisition with phase cycling (FIESTA- ...
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Constructive interference in steady state 3DFT MR imaging of the inner ear and cerebellopontine angle
... Unsharp delineation of the posterior part of the vestibulum and interruption of normal endolymph spaces in crus communis of posterior and superior semicircular cana l large white arrows,[r] ...
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Trigeminal Ganglion and its Divisions: Detailed Anatomic MR Imaging with Contrast Enhanced 3D Constructive Interference in the Steady State Sequences
... 3D constructive interfer- ence in the steady state (3D CISS) MR images to evaluate the anatomy of the sensory and motor roots of the trigeminal nerve in the Meckel cave (11, ...
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Is All “Communicating” Hydrocephalus Really Communicating? Prospective Study on the Value of 3D Constructive Interference in Steady State Sequence at 3T
... Although conventional images showed only 57 sites of membranous obstruction in these 134 patients, the conventional images showed all aqueduct stenosis and membranous obstruction of the [r] ...
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High Resolution MRI Findings following Trigeminal Rhizotomy
... on constructive interference in steady- state and the presence of contrast enhancement within the trigeminal nerves on volumetric interpolated breath-hold examination images were assessed ...noncontrast ...
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SOFTWARE CONFIGURATION MANAGEMENT PRACTICE IN MALAYSIA
... partitioning. Constructive interference (CI) is used to increase the transmission range of the node and connect disconnected parts of a network to overcome the separation ...Networks, Constructive ...
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A Multilayer Interference Reflector in the Eye of the Scallop, Pecten Maximus
... The optical thickness of the fihn refractive index, n, x actual thickness, t must therefore be J wavelength for maximum constructive interference to occur when light is reflected normall[r] ...
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Three-dimensional observation of Virchow–Robin spaces in the basal ganglia and white matter and their relevance to idiopathic normal pressure hydrocephalus
... three-dimensional constructive interference in the steady state; CR: corona radiata; CX: cortex; CSF: cerebrospinal fluid; DESH: disproportionately enlarged subarachnoid-space hydrocephalus; DTI: diffuse ...
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Integrated all optical or logic gate using constructive beam interference in 2D photonic crystal
... The basic principle involved in the device to act as the OR logic gate is based on the property of light confinement using beam interference theory. It states that when two signals of same displacement meets at a ...
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Seizures Pattern and its Neuro Imaging Findings in Children
... ABBREVIATIONS 2D - Two dimensional 3D - Three dimensional 3D CISS - Three dimensional Constructive interference in Steady State ADC - Apparent diffusion Co-efficient ADEM - Acute Demyeli[r] ...
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Vascular tortuosity in relationship with hypertension and posterior fossa volume in hemifacial spasm
... dimensional constructive interference at steady state (CISS) sequence focused over the posterior fossa (repetition time [TR] 12, echo time [TE] 6, flip angle [FA] 70, number of excitations [NEX] 2, 282 ϫ ...
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Speed of Reflected Electromagnetic Waves
... an interference pattern. The distance between two adjacent interference lines is not an absolute magnitude; it depends on the distance between two light sources and an observation ...adjacent ...
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MR Visualization of Spinal Dural Arterio Venous Fistula Using T2 Weighted 3D SPACE—A Spin Echo Technique
... (constructive interference in steady- state) representing a 3D T2-weighted gradient echo sequence on the other hand suffers from lack of tissue char- acterization and cerebrospinal fluid flow artifacts ...
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CH19
... double-slit interference experiment that uses monochromatic light, which is light of only one wave- length, constructive interference produces a bright central band of the given color on the screen, ...
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An Improved Characterization of Small Scale Fading Based on 2D Measurements and Modeling of a Moving Receiver in an Indoor Environment
... caused constructive and destructive ...the constructive and destructive interference patterns by analyzing the the two dimensional ...regular interference pattern, however, if this is what is ...
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