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J Comput Assist Tomogr. 1987 Sep-Oct;11(5):869-71.

MR demonstration of the nasal cycle in the beagle dog.

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  • 1Diagnostic Systems Branch, National Institute of Dental Research, Bethesda, MD 20892.

Abstract

Magnetic resonance (MR) imaging of periodic engorgement of the erectile tissue surrounding the turbinates in the beagle dog yields remarkably quiet data that are well fitted by a single sinusoidal wave form. This observation holds in spite of right-left asymmetries in the distribution of the MR signal. The nasal cycle also occurs normally in humans. Judging from the clarity of its MR representation in the dog, it is possible that this phenomenon could be confused in human MR with upper respiratory congestion associated with pathological processes.

PMID:
3655051
[PubMed - indexed for MEDLINE]
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