Tissue Characterization in MR Imaging: Clinical and Technical Approaches

Front Matter....Pages I-XVII
Introduction....Pages 1-3
Front Matter....Pages 5-5
General Need for Quantitative Methodologies in Tissue Characterization by MRI....Pages 7-13
NMR Parameter Calculations....Pages 14-25
The Application of Surface Coils for Tissue Characterization — Demonstrated by the Determination of T2 Relaxation Times....Pages 26-30
Determination of T1 by Three-dimensional Measurement with Triangle Excitation....Pages 31-35
Improving the Accuracy of T1 Measurements In Vivo: The Use of the Hyperbolic Secant Pulse in the Saturation Recovery/Inversion Recovery Sequence....Pages 36-42
Volume-Selective Tissue Characterization by T1 e Dispersion Measurements and T1 e Dispersion Imaging....Pages 43-47
Two New Pulse Sequences for Efficient Determination of Tissue Parameters in MRI....Pages 48-53
Characterization of Brain Tissues by the Field Dependence of Their Longitudinal Relaxation Rates....Pages 54-58
A Biochemical Approach to the Interpretation of MRI Images: In Vitro Study on a Craniopharyngioma....Pages 59-62
Comparison of Algorithms for the Decomposition of Multiexponential Relaxation Processes Using SUNRISE....Pages 63-68
Preprocessing of Magnetization Decays to Improve Multiexponential T2 Analysis....Pages 69-74
Advantages of Multiexponential T2 Analysis....Pages 75-80
MRI Relaxation of Brain Tissue: A Statistical Estimate of Deviations from Ideality....Pages 81-87
Lower Error Bounds for the Estimation of Relaxation Parameters....Pages 88-91
Multiexponential Relaxation Analysis of Precontrast MRI in Comparison with Gadolinium-DTPA MRI....Pages 94-102
A Chemical Shift Imaging Strategy for Paramagnetic Contrast-Enhanced MRI....Pages 103-111
Experimental Approach to Rho-Related Contrast in Clinical MRI....Pages 112-117
Serial Inversion Nulling Syntheses (“SINS”) to Enhance Lesion Contrast....Pages 118-124
Tissue Characterization with MRI: The Value of the MR Parameters....Pages 126-138
Front Matter....Pages 5-5
Using an “Information Manager” as a Component of a Tissue Classification System in NMR Tomography....Pages 139-144
MR Tissue Characterization Using Iconic Fuzzy Sets....Pages 145-148
Tissue Discrimination in Three-dimensional Imaging by Texture Analysis....Pages 149-153
Generation of Tissue-Specific Images by Means of Multivariate Data Analysis of MR Images....Pages 154-160
Feature Extraction from NMR Images Using Factor Analysis....Pages 161-164
Multispectral Analysis of Magnetic Resonance Images: A Comparison Between Supervised and Unsupervised Classification Techniques....Pages 165-169
Textural Analysis of Quantitative Magnetic Resonance Imaging in Metabolic Bone Disease — An Approach to Tissue Characterisation of the Spine....Pages 170-173
Tissue Type Imaging — An Approach to Clinical Use....Pages 174-182
Front Matter....Pages 183-183
MRI Evaluation of Early Degenerative Cartilage Disease by a Three-dimensional Gradient Echo Sequence....Pages 185-192
MRI vs Scintigraphy in the Detection of Vertebral Metastases: Preliminary Results....Pages 193-197
MRI of Osteomyelitis....Pages 198-203
MRI in Bone Infection....Pages 204-207
MR Imaging After Trauma and Orthopedic Surgery....Pages 208-210
MRI Tissue Characterization of an Anatomical Structure Subject to Major Functional Displacement: The Temporomandibular Joint....Pages 211-212
Tissue Characterization of Focal Lesions by Liver MR Imaging....Pages 214-224
Differentiation of Focal Liver Lesions by Contrast-Enhanced MRI....Pages 225-233
Investigation of Liver Pathology with Magnetite-Dextran Superparamagnetic Nanoparticles as New MRI Contrast Agent....Pages 234-241
Contrast-Enhanced MR Imaging of Urinary Bladder Neoplasms....Pages 242-249
Stage I Endometrial Carcinoma: High Field (1.5 T) MR Imaging Features....Pages 250-252
Breast-Tissue Differentiation by MRI: Results of 361 Examinations in 5 Years....Pages 254-257
Front Matter....Pages 183-183
T1 Measurements by TOMROP: First Experiences and Applications in In Vivo Breast Studies....Pages 258-262
Correlations Between NMR Relaxation Times and Histopathological Features in Abnormal Thyroid and Parathyroid Glands: Preliminary Results....Pages 264-269
Proton NMR Relaxation Times and Trace Paramagnetic Metal Contents: Pattern Recognition Analysis of the Discrimination Between Normal and Pathological Tissue of the Gastrointestinal Tract and Bone Marrow....Pages 270-282
Tissue Characterization in Brain Lesions: A Review of the State of the Art....Pages 284-289
Quantitative Analysis of Multiple Sclerosis by Means of MRI....Pages 290-293
Differentiation of Gliomas Using Tissue Parameters and a Three-dimensional Density Distribution Model....Pages 294-298
Tissue Accessibility of Gd-DTPA in Meningiomas and Neuromas....Pages 299-303
Eye Muscle Changes in Graves’ Ophthalmopathy: Differentiation by MRI....Pages 304-306
Assessment of Clinical Activity in Endocrine Orbitopathy with T2 Values — Response to Immunomodulating Therapy....Pages 307-312
MRI Tissue Characterization and Segmentation of Human Brain Tissues Using a Prolog-Based Expert System....Pages 313-318
Calculated T1 and T2 in Nonresectable Brain Tumors to Monitor the Effects of Cranial Radiation....Pages 319-323
Dexamethasone Effect on MR Parameters in Brain Tumors....Pages 324-327
Front Matter....Pages 329-338
Concluding Remarks....Pages 339-340