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Three-dimensional reconstruction of the incudostapedial joint with helical computed tomography

Published online by Cambridge University Press:  29 June 2007

Mari Yamada ,
Atsunobu Tsunoda ,
Hideki Muraoka  and
Atsushi Komatsuzaki
Mari Yamada
Affiliation:
Departments of Otolaryngology, Tokyo Medical and Dental University, Japan.
Atsunobu Tsunoda*
Affiliation:
Departments of Otolaryngology, Tokyo Medical and Dental University, Japan.
Hideki Muraoka
Affiliation:
Kawaguchi-Kogyo General Hospital, Japan.
Atsushi Komatsuzaki
Affiliation:
Departments of Otolaryngology, Tokyo Medical and Dental University, Japan.
*
Address for correspondence: Dr A. Tsunoda, Department of Otolaryngology, Tokyo Medical and Dental University, 1-5-45 Bunkyo-ku Yushima, Tokyo, 113–8519, Japan. Fax: 81 3-3813-2134 e-mail: atsun.oto@med.tmd.ac.jp
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Abstract

Three-dimensional images of the incudostapedial joint (I-S joint) were reconstructed using helical computed tomography (CT). The images of the joint were most often reconstructed when threshold values were selected at −500 to −700 Hounsfield Units. These shapes were changed by choosing various threshold values. Histological examinations of the cadaver specimen indicate that these changes are due to structure of the I-S joints. We conclude that these 3-D images may be useful in assessing pathology of the I-S joint.

Keywords

Ear middleEar ossiclesTomography, X-ray computedPathology

Information

Type
Main Articles
Information
The Journal of Laryngology & Otology , Volume 113 , Issue 8 , August 1999 , pp. 707 - 709
Copyright
Copyright © JLO (1984) Limited 1999

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Footnotes

Presented at the 8th International Conference of the Society for Minimally Invasive Therapy, Cernovio, Italy, October 3–5 1996.

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