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Case Report
 
A case of chondrosarcoma of the temporal bone
Sumito Jitsukawa1, Kenichi Takano2, Ayumi Abe1, Tetsuo Himi3
1MD, Graduate Student, Department of Otolaryngology, Sapporo, Hokkaido, Japan.
2MD, PhD, Associate Professor, Department of Otolaryngology, Sapporo, Hokkaido, Japan.
3MD, PhD, Professor and Chairman, Department of Otolaryngology, Sapporo, Hokkaido, Japan.

Article ID: 100002SJO042014
doi:10.5348/o04-2014-2-CR-2

Address correspondence to:
Kenichi Takano
Department of Otolaryngology
Sapporo Medical University School of Medicine
S1W16, Chuo-ku, Sapporo 060-8543
Japan
Phone: +81-11-688-9655
Fax: +81-11-615-5405
Email: kent@sapmed.ac.jp

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How to cite this article
Jitsukawa S, Takano K, Abe A, Himi T. A case of chondrosarcoma of the temporal bone. Edorium J Otolaryngol 2014;1:7–10.


Abstract
Introduction: Chondrosarcoma is a malignant neoplasm of cartilage-forming-tissue and rarely encountered in the temporal bone. The clinical aspects and management of this rare lesion are discussed.
Case Report: We report a chondrosarcoma of the temporal bone presenting with facial nerve palsy in an 80-year-old female. A computed tomography scan and magnetic resonance imaging showed a destructive mass located in the right mastoid air cells and extending into the venous sinus. We performed mastoidectomy and tympanotomy to determine a definitive diagnosis and to remove the temporal bone lesion.
Conclusion: Chondrosarcoma should be considered in the differential diagnosis of patients with slowly progressive osseous tumors. It is important to obtain an early diagnosis and resection before the tumor becomes extensive.

Keywords: Chondrosarcoma, Temporal bone, Facial palsy


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Author Contributions
Jitsukawa Sumito – Substantial contributions to conception and design, Acquisition of data, Analysis and interpretation of data, Drafting the article, Revising it critically for important intellectual content, Final approval of the version to be published
Kenichi Takano – Analysis and interpretation of data, Drafting the article, Revising it critically for important intellectual content, Final approval of the version to be published
Ayumi Abe – nalysis and interpretation of data, Drafting the article, Revising it critically for important intellectual content, Final approval of the version to be published
Tetsuo Himi – nalysis and interpretation of data, Drafting the article, Revising it critically for important intellectual content, Final approval of the version to be published
Guarantor of submission
The corresponding author is the guarantor of submission.
Source of support
None
Conflict of interest
Authors declare no conflict of interest.
Copyright
© 2014 Jitsukawa Sumito et al. This article is distributed under the terms of Creative Commons Attribution License which permits unrestricted use, distribution and reproduction in any medium provided the original author(s) and original publisher are properly credited. Please see the copyright policy on the journal website for more information.