Case Report
 
A rare costal tumor complicating a solitary osteochondroma
Mona Mlika1, Manel Yahia1, Sadok Boudaya2, Aida Ayadi-Kaddour1, Tarek Kilani2, Faouzi El Mezni2
1Department of Pathology, Abderrahman Mami Hospital, University of Medicine, Tunis El Manar.
2Department of Thoracic Surgery, Abderrahman Mami Hospital, University of Medicine, Tunis El Manar.

doi:10.5348/ijcri-201478-CR-10389

Address correspondence to:
Mona Mlika
Deparment of Pathology
Abderrahman Mami Hospital, University of Medicine
Tunis El Manar
Phone: (00216) 98 5388 62
Email: mlika.zorgati.mona@hotmail.com

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How to cite this article
Mlika M, Yahia M, Boudaya S, Ayadi-Kaddour A, Kilani T, El Mezni F. A rare costal tumor complicating a solitary osteochondroma. Int J Case Rep Images 2014;5(6):413–416.


Abstract
Introduction: Chondrosarcoma complicating osteochondromatous lesions is a microscopic diagnosis which treatment is based on surgical excision. These tumors need a close follow-up because the recovery can be ascertained only after 10 years of follow-up.
Case Report: A 19-year-old male who presented respiratory symptoms and whose past medical history was remarkable for a previously noted cartilaginous exostosis in multiple long bones. Physical and radiologic investigations showed a mass attached to the first rib. The anterior arch of the rib was excised en-bloc with a layer of soft tissue. Histopathological examination concluded to a grade I chondrosarcoma arising from an osteochondroma.
Conclusion: Secondary chondrosarcoma complicating a benign lesion such as osteochondroma has been rarely reported in the rib. We aim to highlight the diagnostic and therapeutic challenges of this rare tumor by describing a new case of secondary costal chondrosarcoma.

Keywords: Chondrosarcoma, Osteochondroma, Surgical resection


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Author Contributions
Mona Mlika – 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
Manel Yahia – Analysis and interpretation of data, Revising it critically for important intellectual content, Final approval of the version to be published
Sadok Boudaya – Analysis and interpretation of data, Revising it critically for important intellectual content, Final approval of the version to be published
Aida Ayadi-Kaddour – Analysis and interpretation of data, Revising it critically for important intellectual content, Final approval of the version to be published
Tarek Kilani – Analysis and interpretation of data, Revising it critically for important intellectual content, Final approval of the version to be published
Faouzi El Mezni – Analysis and interpretation of data, 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 Mona Mlika 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.