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T2-weighted MR characteristics of internal auditory canal masses

T2-weighted MR characteristics of internal auditory canal masses This Article Full Text (PDF) Alert me when this article is cited Alert me if a correction is posted Citation Map Services Similar articles in this journal Similar articles in PubMed Alert me to new issues of the journal Download to citation manager Citing Articles Citing Articles via HighWire Citing Articles via CrossRef Citing Articles via Google Scholar Google Scholar Articles by Fukui, M. B. Articles by Kanal, E. Search for Related Content PubMed PubMed Citation Articles by Fukui, M. B. Articles by Kanal, E. Hotlight (NEW!) What's Hotlight? American Journal of Neuroradiology, Vol 17, Issue 7 1211-1218, Copyright © 1996 by American Society of Neuroradiology ARTICLES T2-weighted MR characteristics of internal auditory canal masses MB Fukui, JL Weissman, HD Curtin and E Kanal Department of Radiology, University of Pittsburgh Medical Center, PA 15213, USA. PURPOSE: To determine whether masses of the internal auditory canal are hypointense relative to cerebrospinal fluid, and therefore visible, on fast spin-echo T2-weighted MR images. METHODS: Forty-six patients had 50 masses of the internal auditory canal, identified initially on contrast-enhanced MR images, that were evaluated retrospectively for signal intensity of the mass with respect to cerebrospinal fluid and for visibility of the neural elements within the internal auditory canal on T2-weighted images. RESULTS: Forty-seven of 50 masses were clearly identified on T2-weighted images. Three small abnormalities (2 to 4 mm) were not seen with confidence on T2-weighted images. However, on close inspection of these three masses, the small abnormality on contrast-enhanced MR images corresponded to a hypointense focus on T2- weighted images. All 50 masses were hypointense relative to cerebrospinal fluid on T2-weighted images. CONCLUSION: All masses of the internal auditory canal in this study were hypointense relative to cerebrospinal fluid on T-2 weighted images, and were therefore visible. This article has been cited by other articles: F. Dubrulle, J. Delomez, A. Kiaei, P. Berger, C. Vincent, F.-M. M. Vaneecloo, and L. Lemaitre Mass Screening for Retrocochlear Disorders: Low-Field-Strength (0.2-T) versus High-Field-Strength (1.5-T) MR Imaging AJNR Am. J. Neuroradiol., June 1, 2002; 23(6): 918 - 923. Abstract Full Text PDF K. L. Salzman, H. C. Davidson, H. R. Harnsberger, C. M. Glastonbury, R. H. Wiggins, S. Ellul, and C. Shelton Dumbbell Schwannomas of the Internal Auditory Canal AJNR Am. J. Neuroradiol., August 1, 2001; 22(7): 1368 - 1376. Abstract Full Text PDF M. S. Robinette, C. D. Bauch, W. O. Olsen, and M. J. Cevette Auditory Brainstem Response and Magnetic Resonance Imaging for Acoustic Neuromas: Costs by Prevalence Arch Otolaryngol Head Neck Surg, August 1, 2000; 126(8): 963 - 966. Abstract Full Text PDF J. L. Weissman and B. E. Hirsch Imaging of Tinnitus: A Review Radiology, August 1, 2000; 216(2): 342 - 349. Abstract Full Text P. Schmalbrock, D. W. Chakeres, J. W. Monroe, A. Saraswat, B. A. Miles, and D. B. Welling Assessment of Internal Auditory Canal Tumors: A Comparison of Contrast-Enhanced T1-Weighted and Steady-State T2-Weighted Gradient-Echo MR Imaging AJNR Am. J. Neuroradiol., August 1, 1999; 20(7): 1207 - 1213. Abstract Full Text Iwayama, Naganawa, Ito, Fukatsu, Ikeda, Ishigaki, and Ichinose High-Resolution MR Cisternography of the Cerebellopontine Angle: 2D versus 3D Fast Spin-Echo AJNR Am. J. Neuroradiol., May 1, 1999; 20(5): 889 - 895. Abstract Full Text Home Subscribe Author Instructions Submit Online Search the AJNR Archives Feedback Help Copyright © 2010 by the American Society of Neuroradiology. Print ISSN: 0195-6108 Online ISSN: 1936-959X http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png American Journal of Neuroradiology American Journal of Neuroradiology

T2-weighted MR characteristics of internal auditory canal masses

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Publisher
American Journal of Neuroradiology
Copyright
Copyright © 2010 by the American Society of Neuroradiology.
ISSN
0195-6108
eISSN
1936-959X
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Abstract

This Article Full Text (PDF) Alert me when this article is cited Alert me if a correction is posted Citation Map Services Similar articles in this journal Similar articles in PubMed Alert me to new issues of the journal Download to citation manager Citing Articles Citing Articles via HighWire Citing Articles via CrossRef Citing Articles via Google Scholar Google Scholar Articles by Fukui, M. B. Articles by Kanal, E. Search for Related Content PubMed PubMed Citation Articles by Fukui, M. B. Articles by Kanal, E. Hotlight (NEW!) What's Hotlight? American Journal of Neuroradiology, Vol 17, Issue 7 1211-1218, Copyright © 1996 by American Society of Neuroradiology ARTICLES T2-weighted MR characteristics of internal auditory canal masses MB Fukui, JL Weissman, HD Curtin and E Kanal Department of Radiology, University of Pittsburgh Medical Center, PA 15213, USA. PURPOSE: To determine whether masses of the internal auditory canal are hypointense relative to cerebrospinal fluid, and therefore visible, on fast spin-echo T2-weighted MR images. METHODS: Forty-six patients had 50 masses of the internal auditory canal, identified initially on contrast-enhanced MR images, that were evaluated retrospectively for signal intensity of the mass with respect to cerebrospinal fluid and for visibility of the neural elements within the internal auditory canal on T2-weighted images. RESULTS: Forty-seven of 50 masses were clearly identified on T2-weighted images. Three small abnormalities (2 to 4 mm) were not seen with confidence on T2-weighted images. However, on close inspection of these three masses, the small abnormality on contrast-enhanced MR images corresponded to a hypointense focus on T2- weighted images. All 50 masses were hypointense relative to cerebrospinal fluid on T2-weighted images. CONCLUSION: All masses of the internal auditory canal in this study were hypointense relative to cerebrospinal fluid on T-2 weighted images, and were therefore visible. This article has been cited by other articles: F. Dubrulle, J. Delomez, A. Kiaei, P. Berger, C. Vincent, F.-M. M. Vaneecloo, and L. Lemaitre Mass Screening for Retrocochlear Disorders: Low-Field-Strength (0.2-T) versus High-Field-Strength (1.5-T) MR Imaging AJNR Am. J. Neuroradiol., June 1, 2002; 23(6): 918 - 923. Abstract Full Text PDF K. L. Salzman, H. C. Davidson, H. R. Harnsberger, C. M. Glastonbury, R. H. Wiggins, S. Ellul, and C. Shelton Dumbbell Schwannomas of the Internal Auditory Canal AJNR Am. J. Neuroradiol., August 1, 2001; 22(7): 1368 - 1376. Abstract Full Text PDF M. S. Robinette, C. D. Bauch, W. O. Olsen, and M. J. Cevette Auditory Brainstem Response and Magnetic Resonance Imaging for Acoustic Neuromas: Costs by Prevalence Arch Otolaryngol Head Neck Surg, August 1, 2000; 126(8): 963 - 966. Abstract Full Text PDF J. L. Weissman and B. E. Hirsch Imaging of Tinnitus: A Review Radiology, August 1, 2000; 216(2): 342 - 349. Abstract Full Text P. Schmalbrock, D. W. Chakeres, J. W. Monroe, A. Saraswat, B. A. Miles, and D. B. Welling Assessment of Internal Auditory Canal Tumors: A Comparison of Contrast-Enhanced T1-Weighted and Steady-State T2-Weighted Gradient-Echo MR Imaging AJNR Am. J. Neuroradiol., August 1, 1999; 20(7): 1207 - 1213. Abstract Full Text Iwayama, Naganawa, Ito, Fukatsu, Ikeda, Ishigaki, and Ichinose High-Resolution MR Cisternography of the Cerebellopontine Angle: 2D versus 3D Fast Spin-Echo AJNR Am. J. Neuroradiol., May 1, 1999; 20(5): 889 - 895. Abstract Full Text Home Subscribe Author Instructions Submit Online Search the AJNR Archives Feedback Help Copyright © 2010 by the American Society of Neuroradiology. Print ISSN: 0195-6108 Online ISSN: 1936-959X

Journal

American Journal of Neuroradiology – American Journal of Neuroradiology

Published: Aug 1, 1996

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