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• Clinical Article •
A study on the correlation between the location of non-stenotic basilar artery plaque and pontine infarction
LIN Huihua  YANG Benqiang  DUAN Yang 

Cite this article as: Lin HH, Yang BQ, Duan Y. A study on the correlation between the location of non-stenotic basilar artery plaque and pontine infarction. Chin J Magn Reson Imaging, 2019, 10(8): 566-570. DOI:10.12015/issn.1674-8034.2019.08.002.


[Abstract] Objective: To investigate the relationship between the distribution of non-stenotic basilar artery (BA) atherosclerotic plaques and different types and locations of pontine infarctions (PIs) with high resolution magnetic resonance imaging (HR-MRI).Materials and Methods: Clinical and imaging data of 97 patients with new isolated PIs from October 2015 to June 2018 were retrospectively collected. According to morphological classification, PI can be divided into three groups: paramedian pontine infarction (PPI), deep pontine lacunar infarction (DPLI) and lateral pontine infarction (LPI). According to vertical location, PI was classified into rostral, middle, or caudal. BA plaque location was divided into ventral, dorsal, left lateral and right lateral sides of the vessel on T2WI axial images of HR-MR images. Risk factors by different types and different locations of PIs were compared by χ2 test or one-way analysis of variance.Results: There were 66 cases (68.0%) of PPIs, 22 cases (22.7%) of DPLIs and 9 cases (9.3%) of LPIs. The rostral, middle, and caudal PIS were 7 cases (7.2%), 58 cases (59.8%), and 32 cases (30.0%), respectively. BA plaque distribution in different types and different locations of PIs were significantly different (P<0.05). Most of DPLIs and rostral PIs had no BA plaque, and BA plaques were more frequent at dorsal wall in PPIs and caudal PIs. BA plaques were more frequent at lateral wall in LPIs and middle PIs.Conclusions: BA plaque at a specific location may affects PI type and location.
[Keywords] basilar artery；atherosclerosis；plaque；pontine infarction；magnetic resonance imaging

LIN Huihua Department of Radiology, Northern theater Command general hospital of PLA, Shenyang 110016, China

YANG Benqiang Department of Radiology, Northern theater Command general hospital of PLA, Shenyang 110016, China

DUAN Yang* Department of Radiology, Northern theater Command general hospital of PLA, Shenyang 110016, China

*Correspondence to: Duan Y, E-mail: duanyang100@126.com

Conflicts of interest   None.

ACKNOWLEDGMENTS  This work was part of Liaoning Natural Science Foundation Project No. 201602768
Received  2018-10-16
Accepted  2018-12-12
DOI: 10.12015/issn.1674-8034.2019.08.002
Cite this article as: Lin HH, Yang BQ, Duan Y. A study on the correlation between the location of non-stenotic basilar artery plaque and pontine infarction. Chin J Magn Reson Imaging, 2019, 10(8): 566-570. DOI:10.12015/issn.1674-8034.2019.08.002.

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