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Abstract

Phase-contrast imaging of the parotid region.

D J Mikulis, R Chisin, G L Wismer, R B Buxton, A L Weber, K R Davis and B Rosen
American Journal of Neuroradiology January 1989, 10 (1) 157-164;
D J Mikulis
Department of Radiology, Massachusetts General Hospital, Boston 02114.
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R Chisin
Department of Radiology, Massachusetts General Hospital, Boston 02114.
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G L Wismer
Department of Radiology, Massachusetts General Hospital, Boston 02114.
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R B Buxton
Department of Radiology, Massachusetts General Hospital, Boston 02114.
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A L Weber
Department of Radiology, Massachusetts General Hospital, Boston 02114.
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K R Davis
Department of Radiology, Massachusetts General Hospital, Boston 02114.
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B Rosen
Department of Radiology, Massachusetts General Hospital, Boston 02114.
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Abstract

Standard T1- and T2-weighted spin-echo acquisitions were compared with T1- and T2-weighted phase-contrast techniques in a series of 10 consecutive patients with parotid masses to assess the role of phase-contrast methods in the evaluation of lesions in the parotid fossa. Greater tissue-lesion contrast was obtained with phase-contrast methods in nine of 10 cases, allowing improved lesion visualization; however, an increase in lesion detectability was not observed in this series. Standard MR imaging methods are sufficient for imaging the parotid region in most cases, but can be quite time-consuming. Recommended screening of the parotid fossa that optimizes tissue-lesion contrast, lesion detectability, and imaging time is performed by combining a standard T1-weighted acquisition with a T1- or T2-weighted phase-contrast acquisition. Selection of a T1- or T2-weighted phase-contrast acquisition is determined by the T1 characteristics of the lesion.

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American Journal of Neuroradiology
Vol. 10, Issue 1
1 Jan 1989
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Cite this article
D J Mikulis, R Chisin, G L Wismer, R B Buxton, A L Weber, K R Davis, B Rosen
Phase-contrast imaging of the parotid region.
American Journal of Neuroradiology Jan 1989, 10 (1) 157-164;

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Phase-contrast imaging of the parotid region.
D J Mikulis, R Chisin, G L Wismer, R B Buxton, A L Weber, K R Davis, B Rosen
American Journal of Neuroradiology Jan 1989, 10 (1) 157-164;
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