31 Result(s)
within
P. E. Peters
English
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Article
Incorporation of High-Level Wastes in Synroc: Results from Recent Process Engineering Studies at Lawrence Livermore National Laboratory
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Article
Study of susceptibility-induced artefacts in GRASE with different echo train length
The aim of this study was to evaluate the sensitivity of gradient-and-spin-echo (GRASE) sequences to susceptibility effects. GRASE sequences with 21 and 33 echoes per echo train were compared with a T2-weight...
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Article
Evaluation of myelination and myelination disorders with turbo inversion recovery magnetic resonance imaging
The aim of our work was to determine the efficacy of turbo inversion recovery spin echo (TIRSE) pulse sequences in differentiating patients with normal and abnormal myelination. Twenty neurological normal chil...
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Article
Phase-contrast MR angiography of the lower extremity. Comparison of methods and clinical application
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Article
Enhancement characteristics of liver metastases, hepatocellular carcinomas, and hemangiomas with Gd-EOB-DTPA: preliminary results with dynamic MR imaging
Our objective was to study Gd-EOB-DTPA for the characterization of focal liver lesions by means of dynamic MR imaging. A double-blind and randomized dose-ranging phase-2 clinical trial was performed in 31 pat...
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Chapter and Conference Paper
Medical Imaging: Some Historical Aspects
During the last century many discoveries in the field of medical imaging were made leading to multiple modalities which are used now in day to day practice. During this workshop latest developments in research...
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Article
CT and MRI in a girl with late-onset ornithine transcarbamylase deficiency: case report
We report CT and MRI findings in a girl with late-onset ornithine transcarbamylase deficiency, who presented with progressive somnolence. Both imaging methods showed signs of an acute cerebral ischaemia with ...
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Article
Hepatic MR imaging: comparison of RARE derived sequences with conventional sequences for detection and characterization of focal liver lesions
Background: We compared two T2-weighted turbo spin echo (TSE) sequences with a T2-weighted conventional SE (CSE) sequence to determine whether sequences derived from rapid acquisition with relaat...
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Article
Imaging of bone tumors: evaluation of direct magnification radiography
Objective. To evaluate the potentials of magnification radiography as compared with conventional radiography in diagnosing bone tumors. Design and patients. Sixty-two patients with primary bone tumors and tumorl...
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Article
Bronchiolitis obliterans with organizing pneumonia. Clinical features, pathology and imaging findings
Die Bronchiolitis obliterans mit organisierender Pneumonie (BOOP) ist eine klinisch-pathologisch definierte Lungenerkrankung oft ungeklärter Ätiologie, histologisch gekennzeichnet durch proliferi...
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Chapter and Conference Paper
Cerebral Perfusion Imaging with Gadolinium Chelates and Iron Oxides in Humans
Susceptibility-induced signal loss following the bolus injection of paramagnetic contrast agents coupled with dynamic magnetic resonance imaging (MRI) has enabled the generation of cerebral blood volume (CBV) ...
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Chapter and Conference Paper
Clinical Diffusion Imaging on a Standard MR System: Diagnostic Usefulness Compared with Conventional MRI
Magnetic resonance imaging (MRI) has the ability to show and measure molecular diffusion. Molecular diffusion is the result of the thermal (Brownian) random translational motion involving all molecules. The in...
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Article
Iotrolan in urography: efficacy and tolerance in comparison with iohexol and iopamidol
Iotrolan was compared with iohexol and iopamidol for efficacy and general tolerance in excretory urography in three controlled, randomized, inte-individual, double-blind studies. Two hundred and eighty-four pa...
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Article
Fracture healing: direct magnification versus conventional radiography
The aim of the study was to evaluate the potential of magnification radiography in diagnosing fracture healing and assessing its complications. Seventy-three patients with fractures or who had undergone osteot...
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Article
Digital imaging of the chest in newborns: influence of radiation exposure on image quality
In order to evaluate the influence of radiation exposure on image quality in digital storage phosphor radiography, 200 digital storage phosphor chest radiographs, obtained on a neonatal Intensive Care Unit, an...
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Chapter and Conference Paper
Computed Tomography and Magnetic Resonance Imaging of the Body and Musculoskeletal System
Early detection of cancer has been defined in the context of this symposium as: (a) the detection of cancer prestages, (b) the diagnosis of small, localized cancers without metastatic spread, and (c) the early...
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Article
Peliosis hepatis with type I glycogen storage disease
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Article
Effect of slice orientation in 3D magnetic resonance angiography (MRA) of the supra-aortic arteries
Three-dimensional (3D) time-of-flight methods are used to study anatomy and pathology of the supra-aortic arteries because they are quick and optimal for fast-flow conditions. Although highest signal intensiti...
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Chapter and Conference Paper
Factors Affecting Detection of Pulmonary Nodules in Digital Images
120 chest films with and without nodules were digitized with matrices of 1024 and 2048 pixel and analyzed on a 1024-CRT by 5 radiologists. A significant deterioration in diagnostic performance was observed for...
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Article
Basal ganglion calcification in hyperphenylalaninemia due to deficiency of dihydropteridine reductase
The disease course and therapy of a nine-and-a-half-year-old boy with hyperphenylalaninemia due to a dihydropteridine reductase deficiency are reported. Clinically, there is a marked mental retardation and com...
