CT in neuroimaging revisited
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| Format: | Buch |
|---|---|
| Sprache: | English |
| Veröffentlicht: |
Philadelphia [u.a.]
Saunders
1998
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| Schriftenreihe: | Neuroimaging clinics of North America
8,3 |
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| 245 | 1 | 0 | |a CT in neuroimaging revisited |c Lawrence N. Tanenbaum, guest ed. |
| 264 | 1 | |a Philadelphia [u.a.] |b Saunders |c 1998 | |
| 300 | |a IX S., S. 497 - 712 |b Ill. | ||
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| 490 | 1 | |a Neuroimaging clinics of North America |v 8,3 | |
| 650 | 2 | |a Système nerveux - Radiographie | |
| 650 | 2 | |a Tomodensitométrie - Méthode | |
| 650 | 4 | |a Nervous System |x radiography | |
| 650 | 4 | |a Tomography, X-Ray Computed |x methods | |
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CONTENTS
Preface xi
Lawrence N. Tanenbaum
Future Directions in CT Technology 497
Stanley H. Fox, Lawrence N. Tanenbaum, Sholom Ackelsberg, Hui D. He, Jiang Hsieh,
and Hui Hu
Progress in helical CT acquisition and processing over the last 5 years has
lead to new applications and new requirements. Recent progress to meet
these requirements is discussed in this article. The potential of future acquisi¬
tion developments and their potential to further import application are ex¬
plored.
CT in Ischemic Stroke 515
Michael P. Marks
Previously, CT was considered insensitive in the evaluation of the acute
ischemic stroke patient; however, more recently detection of early CT find¬
ings has proved to be of prognostic value in the evaluation of these patients.
The use of CT coupled with early acute phase therapy of stroke such as
thrombolytic therapy has been shown to improve outcome in the acute
stroke patient.
CT of Head Trauma 525
Chi Shing Zee and John L. Go
The advent of CT in the early 1970s revolutionized the diagnosis and man¬
agement of head trauma patients. CT remains to be the imaging modality
of choice in the evaluation of patients with acute head trauma. High resolu¬
tion CT is excellent for evaluating facial and skull fractures. Neurosurgically
significant lesions such as epidural hematomas, subdural hematomas, or
depressed skull fractures are already detected by CT. The early detection
of extra axial hematomas made possible by the increased availability of
CT, results in early surgical interventions with marked improvement in
morbidity and mortality in head trauma patients.
NEUROIMAGING CLINICS OF NORTH AMERICA
VOLUME 8 • NUMBER 3 • AUGUST 1998 vii
Unique CT Imaging Advantages: Hemorrhage and Calcification 541
John L. Go and Chi Shing Zee
Computed tomography remains the imaging modality of choice in the detec¬
tion of two processes: acute intracranial hemorrhage and calcification; how¬
ever, in the subacute and chronic stages of hemorrhage, MR imaging is
more sensitive in aging and staging hemorrhage. FLAIR imaging increases
the sensitivity of MR imaging in the detection of subarachnoid hemorrhage.
The signal characteristics of calcification on MR imaging is variable, espe¬
cially on Tl weighted images decreasing its detectability. CT is superior to
MR imaging in the detection of calcification. A number of factors including
slice thickness, as well as window width and level may affect the detectabil¬
ity of calcification on CT.
Contemporary Spinal CT Applications 559
Blake A. Johnson and Lawrence N. Tanenbaum
Despite the widespread availability of MR imaging, CT remains a vital
modality for the evaluation of disorders of the spine, offering superior
assessment of bone abnormalities, as well as calcification. Advances in tech¬
nology have enhanced the capabilities of CT, providing exciting new options
for data rendering and display. Depending on the clinical indication, either
CT or MR may be the modality of choice in the evaluation of spinal disease.
CT Angiography of the Intracranial Circulation 577
Pedro T. Vieco
Rapidly acquired, anatomically accurate depictions of intracranial vascular
anatomy can be obtained with helical CT. This article discusses data acquisi¬
tion, reconstruction techniques, normal anatomy, pitfalls, aneurysms, and
a number of other vascular pathologies that have been successfully imaged
with CT angiography.
CT Angiography of the Carotid Artery 593
Pedro T. Vieco
CT angiography shows promise as a noninvasive method to display carotid
vascular pathology. This article discusses technique, stenosis measurements,
pitfalls, strengths, and weaknesses of CT imaging of the carotid artery.
Update on Sinonasal Imaging: Anatomy and Inflammatory Disease 607
Barbara Zeifer
Functional endoscopic sinus surgery, now the standard of care for surgical
treatment of chronic and recurrent sinusitis, has changed current concepts
of sinus health and disease. Interpretation of the CT scan must reflect this
focus on anatomy and function. This article seeks to provide a clear under¬
standing of sinonasal drainage. The normal frontal recess, ostiomeatal unit,
and sphenoethmoid recess are considered along with the anatomic varia¬
tions that distort their appearance and predispose the patient to developing
sinus disease. The spectrum of uncomplicated and complicated sinonasal
inflammatory disease is discussed.
Clinical and Surgical Application of Reformatted High Resolution
CT of the Temporal Bone 631
Albert E. Alexander, Jr, Karen S. Caldemeyer, and Peter Rigby
High resolution CT has played a pivotal role in temporal bone imaging
since the early 1980s. Although the appearance of MR imaging technology
Viii CONTENTS
with its superior demonstration of fluid containing spaces of the inner ear
and the posterior fossa structures, CT continues to offer distinct advantages
for the evaluation of conductive hearing loss, and petrous apex lesions.
With the advent of helical scanning techniques, CT is increasingly the im¬
aging study of choice for definitive preoperative temporal bone imaging.
Orbital CT: Current Use in the MR Era 651
Menahem M. Maya and Linda A. Heier
The additional advantages of spiral CT have further cemented CTs role as
the screening examination of choice for the orbit. The shorter scan times
permit ideal enhancement yet reduce the contrast load, providing the opti¬
mal postcontrast studies that routine imaging of the orbit requires. This
article is not a comprehensive study of orbital CT, but a general review
emphasizing CTs strengths, especially the evaluation of childhood leukoco
ria (calcification), proptosis screening, and trauma.
Current Role of CT in Pediatric Neuroimaging 685
Leonard V. Petrus and Marvin D. Nelson, Jr
r MR imaging is now the premier imaging modality for the evaluation of
neurological disorders in children; however, CT remains a cost effective
tool for the investigation of most disorders of the brain, neck, and spine.
Contrast Media and the Brain: The Basis of CT and MR Imaging
Enhancement 695
Michael R. Sage, Alan J. Wilson, and Rebecca Scroop
Blood, cerebrospinal fluid, and extracellular fluid of the parenchyma form
the fluid compartments of the brain with three interfaces between—the
blood brain interface, the CSF brain interface, and the blood CSF interface.
These and other issues are discussed in this article.
Index 709
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CONTENTS ix |
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| series | Neuroimaging clinics of North America |
| series2 | Neuroimaging clinics of North America |
| spelling | CT in neuroimaging revisited Lawrence N. Tanenbaum, guest ed. Philadelphia [u.a.] Saunders 1998 IX S., S. 497 - 712 Ill. txt rdacontent n rdamedia nc rdacarrier Neuroimaging clinics of North America 8,3 Système nerveux - Radiographie Tomodensitométrie - Méthode Nervous System radiography Tomography, X-Ray Computed methods Schädel (DE-588)4051938-7 gnd rswk-swf Computertomografie (DE-588)4113240-3 gnd rswk-swf (DE-588)4143413-4 Aufsatzsammlung gnd-content Schädel (DE-588)4051938-7 s Computertomografie (DE-588)4113240-3 s DE-604 Tanenbaum, Lawrence N. Sonstige oth Neuroimaging clinics of North America 8,3 (DE-604)BV005541362 8,3 HBZ Datenaustausch application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=008254924&sequence=000002&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis |
| spellingShingle | CT in neuroimaging revisited Neuroimaging clinics of North America Système nerveux - Radiographie Tomodensitométrie - Méthode Nervous System radiography Tomography, X-Ray Computed methods Schädel (DE-588)4051938-7 gnd Computertomografie (DE-588)4113240-3 gnd |
| subject_GND | (DE-588)4051938-7 (DE-588)4113240-3 (DE-588)4143413-4 |
| title | CT in neuroimaging revisited |
| title_auth | CT in neuroimaging revisited |
| title_exact_search | CT in neuroimaging revisited |
| title_full | CT in neuroimaging revisited Lawrence N. Tanenbaum, guest ed. |
| title_fullStr | CT in neuroimaging revisited Lawrence N. Tanenbaum, guest ed. |
| title_full_unstemmed | CT in neuroimaging revisited Lawrence N. Tanenbaum, guest ed. |
| title_short | CT in neuroimaging revisited |
| title_sort | ct in neuroimaging revisited |
| topic | Système nerveux - Radiographie Tomodensitométrie - Méthode Nervous System radiography Tomography, X-Ray Computed methods Schädel (DE-588)4051938-7 gnd Computertomografie (DE-588)4113240-3 gnd |
| topic_facet | Système nerveux - Radiographie Tomodensitométrie - Méthode Nervous System radiography Tomography, X-Ray Computed methods Schädel Computertomografie Aufsatzsammlung |
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