A Rare Case of Rib Osteoblastoma: Imaging Features and Review of Literature

AUTHORS

Shokouh Taghipour Zahir 1 , * , Naser Sefidrokh Sharahjin 2 , Saeed Kargar 3

1 Department of Pathology,Shahid Sadoughi University of Medical Sciences, Yazd, Iran

2 Department of Radiology, Shahid Sadoughi University of Medical Sciences, Yazd, Iran

3 Department of Surgery, Shahid Sadoughi University of Medical Sciences, Yazd, Iran

How to Cite: Taghipour Zahir S, Sefidrokh Sharahjin N, Kargar S. A Rare Case of Rib Osteoblastoma: Imaging Features and Review of Literature, Iran J Radiol. Online ahead of Print ; 10(3):152-155. doi: 10.5812/iranjradiol.7108.

ARTICLE INFORMATION

Iranian Journal of Radiology: 10 (3); 152-155
Published Online: August 29, 2013
Article Type: Case Report
Received: July 6, 2012
Accepted: December 11, 2012
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Abstract

Osteoblastoma is a rare benign, but locally aggressive bone tumor with rare malignant transformation. It mostly affects the vertebral column and long bones. Radiographically, it is seen as an expansile, oval, sclerotic or lytic mass-like lesion with well-defined borders, although sometimes it may mimic a malignant tumor such as osteogenic sarcoma by its irregular borders. Herein, we report a case of osteoblastoma in a 22 year-old man with a long history of back and neck pain accompanied with neck stiffness. On the routine chest X-ray, the salient lesion appeared as an expansile, oval, sclerotic mass with well-defined borders and speckled calcification without any internal lucency and periosteal reaction, involving the posterolateral aspect of the first left thoracic rib, a rare anatomical site. Despite the unusual location, osteoblastoma should be considered in the differential diagnosis of a solitary rib lesion.

Keywords

Ribs Osteoblastoma Bone Neoplasms Osteoma, Osteoid

© 2013, Author(s). This is an open-access article distributed under the terms of the Creative Commons Attribution-NonCommercial 4.0 International License (http://creativecommons.org/licenses/by-nc/4.0/) which permits copy and redistribute the material just in noncommercial usages, provided the original work is properly cited.

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