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AJNR Am J Neuroradiol. 2011 Mar;32(3):468-70. doi: 10.3174/ajnr.A2337. Epub 2011 Feb 3.

Isolated fractures of the posterior maxillary sinus: CT appearance and proposed mechanism.

Author information

1
Department of Radiology, Wake Forest University, Winston-Salem, North Carolina, USA. jssimonds@hotmail.com

Abstract

A heretofore unreported type of facial fracture is discussed. Twenty-two cases of posterior maxillary wall fracture are reviewed, of which 59% demonstrated concomitant mandibular fracture. The proposed mechanism for this injury is an impact from the ipsilateral mandibular coronoid process striking the posterior maxillary wall, with associated mandibular dislocation or fracture. As such, further investigation of the mandible may be warranted when this type of maxillary wall fracture is encountered to exclude concomitant injury.

PMID:
21292798
DOI:
10.3174/ajnr.A2337
[Indexed for MEDLINE]
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