Search Results - "Virapongse, C"

The empty delta sign: frequency and significance in 76 cases of dural sinus thrombosis by Virapongse, C, Cazenave, C, Quisling, R, Sarwar, M, Hunter, S

“…The presence of the empty delta sign on contrast material-enhanced computed tomographic (CT) scans of the brain is considered pathognomonic of sagittal sinus…”
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Human brain infarcts: Gd-DTPA-enhanced MR imaging by Virapongse, C, Mancuso, A, Quisling, R

“…During Food and Drug Administration phase II and III clinical trials for gadolinium DTPA, the paramagnetic agent was used to study 11 patients with 20 subacute…”
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Strategies for resolving interpersonal conflicts in radiology by VIRAPONGSE, C

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Computed tomography of temporal bone pneumatization: 1. Normal pattern and morphology by Virapongse, C, Sarwar, M, Bhimani, S, Sasaki, C, Shapiro, R

“…The pneumatization of 141 "normal" temporal bones on computed tomography (CT) was evaluated in 100 patients (age range, 6-85 years). Because of the controversy…”
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Low-risk large-needle biopsy of chest lesions by Clore, F, Virapongse, C, Saterfiel, J

“…There were 210 chest lesions biopsied with large-bore cutting needles (14.5 to 18.0 gauge). The patients ranged in age from 13 to 84 years with a heavy…”
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Primary tethered cord syndrome: a new hypothesis of its origin by Sarwar, M, Virapongse, C, Bhimani, S

“…Primary tethered cord syndrome is defined as low placement of the spinal cord and thickened filum terminale with associated anomalies. This definition excludes…”
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Three-dimensional computed tomographic reformation of the spine, skull, and brain from axial images by Virapongse, C, Shapiro, M, Gmitro, A, Sarwar, M

“…Three-dimensional (3D) images were reconstructed from axial computed tomographic scans using the new 3D83 (General Electric Co.) software. Images were…”
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Spinal subarachnoid hematoma complicating lumbar puncture: diagnosis and management by Scott, E W, Cazenave, C R, Virapongse, C

“…Two patients with altered hemostatic mechanisms developed spinal subarachnoid hemorrhage after difficult lumbar punctures. One patient had received…”
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A study of optimization of the complex hyperbolic secant inversion pulses by Mao, J, Virapongse, C, Fitzsimmons, J R

“…The conjugate gradient method is used to optimize the inversion slice profile produced by complex hyperbolic secant selective pulses. An improved quality is…”
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Prolactin-secreting pituitary adenomas: CT appearance in diffuse invasion by Virapongse, C, Bhimani, S, Sarwar, M, Greenberg, A, Kim, J

“…The authors describe 2 diffusely invasive prolactin-secreting pituitary adenomas which produced marked destruction of the base of the skull thought to be…”
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Research resources in academic radiology by Virapongse, C, Emerson, S, Li, K C, Martineau, B S, Staab, E V

“…Research resources in academic radiology were investigated by analyzing the responses to a survey from 72 North American institutions. The questionnaire…”
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Computed tomography of temporal bone pneumatization: 2. Petrosquamosal suture and septum by Virapongse, C, Sarwar, M, Bhimani, S, Sasaki, C, Shapiro, R

“…The degree of visualization of the petrosquamosal (Körner's) septum on high-resolution axial computed tomography (CT) in 141 temporal bones (100 subjects) was…”
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Brain ischemia by Virapongse, C, Brown, E, Malat, J

“…The sensitivity of MRI to changes in water state and volume makes it the most desirable modality for imaging early brain ischemia. Its sensitivity is reflected…”
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High-resolution computed tomographic appearance of normal cochlear aqueduct by Bhimani, S, Virapongse, C, Sarwar, M

“…Computed tomographic (CT) scans of 37 patients with normal adult cochlear aqueducts were selected for retrospective analysis. Usually, only the inferomedial…”
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Experimental production of superior sagittal sinus thrombosis in the dog by MOHAMMAD SARWAR, VIRAPONGSE, C, CARBO, P

“…Prior efforts at experimental production of superior sagittal sinus (SSS) thrombosis generally have been unsuccessful. An experimental method was devised of…”
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Metrizamide myelography in cervical spine trauma: a modified technique using lateral fluoroscopy by Virapongse, C, Kier, E L

“…Supine metrizamide myelography is difficult to perform in cervical spine trauma patients because the contrast agent does not pool in the cervical area. A…”
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Intracerebral pneumatocele: CT findings by Bhimani, S, Virapongse, C, Sabshin, J K, Sarwar, M, Paterson, Jr, R H

“…Two cases of intracerebral pneumatocele following trauma are presented. One to two months after initial treatment both patients had deteriorating neurologic…”
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Computed Tomography of Temporal Bone Pneumatization: 1. Normal Pattern and Morphology by Virapongse, Chat, Sarwar, Mohammad, Bhimani, Sultan, Sasaki, Clarence, Shapiro, Robert

“…The pneumatization of 141 “normal” temporal bones on computed tomography (CT) was evaluated in 100 patients (age range, 6–85 years), Because of the controversy…”
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Transient encephalopathy and asterixis following metrizamide myelography. Case report by Chehrazi, B, Virapongse, C

“…A case is presented in which cervicolumbar myelography with metrizamide was followed by transient encephalopathy and asterixis. Metabolic etiology was…”
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Computed tomographic anatomy of the temporal bone by Virapongse, C, Rothman, SL, Kier, EL, Sarwar, M

“…With the recent development of high-resolution computed tomography (CT), there is a growing need to explore the full potential of this new method in…”
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