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Length dimensions and morphologic variations of the external bony auditory canal. A radiographic and histologic investigation.
University of Umeå, Umeå.
Linköping University, Department of Medical and Health Sciences, Cardiology. Linköping University, Faculty of Health Sciences. Östergötlands Läns Landsting, Heart and Medicine Center, Department of Cardiology in Linköping.
1978 (English)In: Dento-Maxillo-Facial Radiology, ISSN 0250-832X, E-ISSN 1476-542X, Vol. 7, no 1, 43-50 p.Article in journal (Refereed) Published
Abstract [en]

Autopsy material comprising a total of 58 specimes of the temporal bone and the proximal part of the mandible was investigated tomographically and by microtome in comparative layers. Microradiographs and histologic sections were used as the main sources of information to determine the length dimensions of the different parts of the external auditory canal. The morphology and its developmental variations are compared and described. The diagnostic implications are discussed. In the authors' opinion, tomography is the method of choice to illustrate the morphologic properties of the external auditory canal. It is suggested that when the tomographic image reveals morphologic developmental or pathologic defects which give rise to problematic diagnosis, a control examination of the contralateral side should be performed.

Place, publisher, year, edition, pages
1978. Vol. 7, no 1, 43-50 p.
National Category
Clinical Medicine
URN: urn:nbn:se:liu:diva-113967DOI: 10.1259/dmfr.1978.0006PubMedID: 291554OAI: diva2:785979
Available from: 2015-02-04 Created: 2015-02-04 Last updated: 2015-02-17

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Alehagen, Urban
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CardiologyFaculty of Health SciencesDepartment of Cardiology in Linköping
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