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Oral Surg Oral Med Oral Pathol Oral Radiol. 2013 Dec;116(6):791-7. doi: 10.1016/j.oooo.2013.09.016. Epub 2013 Oct 4.

Identification of peripheral vessels in oral and maxillofacial regions on magnetic resonance angiography obtained using a balanced steady-state free-precession sequence with a time-spatial labeling inversion pulse and using fresh blood imaging.

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  • 1Division of Oral and Maxillofacial Radiology, Kyushu Dental University, Kitakyushu, Japan.

Abstract

OBJECTIVE:

To elucidate the characteristics of visualizing thin main peripheral vessels in oral and maxillofacial regions of 3-dimensional magnetic resonance angiography (MRA) using a balanced steady-state free-precession (SSFP) sequence with a time-spatial labeling inversion pulse (time-SLIP) and using fresh blood imaging (FBI).

STUDY DESIGN:

The conspicuity of blood vessels and the characteristics on MRA using SSFP with a time-SLIP was compared with those on MRA using FBI in 20 healthy participants.

RESULTS:

The conspicuity of the main peripheral arteries was significantly higher on MRA using SSFP with a time-SLIP than on MRA using FBI. MRA scans using SSFP were obtained in all participants, and scans using FBI were obtained in 16 of 20 participants. An electrocardiogram was unnecessary when using SSFP but was necessary when using FBI.

CONCLUSIONS:

MRA obtained using SSFP with a time-SLIP is a useful technique to visualize thin main peripheral arteries in the oral and maxillofacial regions without contrast medium.

PMID:
24209997
DOI:
10.1016/j.oooo.2013.09.016
[PubMed - indexed for MEDLINE]
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