Infrahyoid spread of deep neck abscess: anatomical consideration |
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Authors: | H Ojiri S Tada M Ujita M Ariizumi C Ishii K Mizunuma K Fukuda |
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Institution: | (1) Department of Radiology, Jikei University School of Medicine, 3-25-8 Nishi-Shimbashi, Minato-ku, Tokyo 105-8461, Japan, JP |
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Abstract: | The aim of this study was to determine the pathway of infrahyoid extension of the oropharyngeal abscess considering the anatomy
of the fascial spaces by cross-sectional imaging. CT scans and MR images were retrospectively reviewed in ten patients with
known infrahyoid extension of oropharyngeal abscesses (eight with acute tonsillitis, two with acute phlegmonous oropharyngitis).
In seven of eight patients tonsillar abscesses descended along the deep cervical fascia converging on the hyoid bone and further
accumulated in the anterior cervical space through which extension to the mediastinum took place in four patients. In seven
patients the abscesses involved the retropharyngeal space at the infrahyoid neck. In two of these seven patients the abscesses
directly extended down into the upper mediastinum through the retropharyngeal space. In one patients of the seven mediastinal
spread of an abscess occurred through the posterior cervical space, not through the retropharyngeal space. Cross-sectional
imaging is valuable in the evaluation of deep neck abscesses and the pathway of spread. The anterior cervical space in the
infrahyoid neck is important for mediastinal extension of pharyngeal abscesses.
Received: 10 April 1997; Revision received 23 October 1997; Accepted 12 January 1998 |
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Keywords: | : Deep neck abscess Cervical fascial anatomy Anterior cervical space CT MRI |
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