Limited distribution of gravitation abscess caused by infected preauricular sinus depends on anatomical structure

Limited distribution of gravitation abscess caused by infected preauricular sinus depends on... The anatomical causes underlying the distribution pattern of abscesses due to the preauricular sinus are presented together with a retrospective study of affected patients. The distribution of the preauricular sinus opening and the abscess position in 27 patients was investigated. To confirm the anatomical factors affecting abscess distribution, auricular and preauricular tissues of cadavers were microscopically and macroscopically examined. Twenty-three of 27 abscesses were concentrated in the preauricular region away from the area where the subcutaneous fat was thick. One was found in the crus helix, and the other three were found in the sinus opening. The preauricular subcutaneous fat layer was contained posteriorly and caudally by the spine of helix, superior auricular ligament, and zygomatic arch. The abscess tended to gravitate toward the preauricular fat layer and it may be misdiagnosed as an infected epidermoid cyst. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png European Journal of Plastic Surgery Springer Journals

Limited distribution of gravitation abscess caused by infected preauricular sinus depends on anatomical structure

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Publisher
Springer-Verlag
Copyright
Copyright © 2008 by Springer-Verlag
Subject
Medicine & Public Health; Plastic Surgery
ISSN
0930-343X
eISSN
1435-0130
D.O.I.
10.1007/s00238-008-0241-3
Publisher site
See Article on Publisher Site

Abstract

The anatomical causes underlying the distribution pattern of abscesses due to the preauricular sinus are presented together with a retrospective study of affected patients. The distribution of the preauricular sinus opening and the abscess position in 27 patients was investigated. To confirm the anatomical factors affecting abscess distribution, auricular and preauricular tissues of cadavers were microscopically and macroscopically examined. Twenty-three of 27 abscesses were concentrated in the preauricular region away from the area where the subcutaneous fat was thick. One was found in the crus helix, and the other three were found in the sinus opening. The preauricular subcutaneous fat layer was contained posteriorly and caudally by the spine of helix, superior auricular ligament, and zygomatic arch. The abscess tended to gravitate toward the preauricular fat layer and it may be misdiagnosed as an infected epidermoid cyst.

Journal

European Journal of Plastic SurgerySpringer Journals

Published: Jun 1, 2008

References

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