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An Innovative Journal in the Field of Radiology
e-ISSN 2008-2711
p-ISSN 1735-1065
Image Credit:I J Radiol
Outline
Bizarre Parosteal Osteochondromatous Proliferation: Nora's Lesion
Authors
1Department of Radiology, Institut Kassab d’orthopédie, Ksar Said, Tunisia
2Professor, Department of Radiology, Institut Kassab d’orthopédie, Ksar Said, Tunisia
3Department of Pathology, Institut Kassab d’orthopédie, Ksar Said, Tunisia
4Professor, Department of Pathology, Institut Kassab d’orthopédie, Ksar Said, Tunisia
*Corresponding Author: Professor, Department of Radiology, Institut Kassab d’orthopédie, Ksar Said, Tunisia. Tel: +21671606937, Fax: +21671606975, E-mail: bouaziz_mouna@yahoo.fr Abstract: Email: bouaziz_mouna@yahoo.fr
Published online:Jun 30, 2011
Article type:Case Report
Received:May 18, 2019
Accepted:Jun 30, 2011
How to Cite:Chaabane S, Chelli Bouaziz M, Ben Ghars KH, Abid L, Jaafoura MH, et al. Bizarre Parosteal Osteochondromatous Proliferation: Nora's Lesion. I J Radiol. 2011;8(2):e93940. doi:
Abstract
The purpose of this study was to review the imaging and anatomopathologic findings and to discuss the main differential diagnosis of bizarre parosteal osteochondromatous proliferation (BPOP) or Nora's lesion, a rare benign surface lesion of the bone. Plain radiographs, ultrasound, CT and MRI images of four patients with BPOP, histologically confirmed, were obtained and retrospectively reviewed. Three cases involving the hand and one involving the foot are reported. On plain radiographs, BPOP is a well-marginated, calcified or ossified mass arising directly from the cortical surface of the underlying bone. Ultrasound images show a low echoic peripheral cap around the lesion. CT images show the wide base of the lesion. On MRI, BPOP was of a low signal on T1, enhancing following gadolinium administration. Underlying bone and adjacent surrounding soft tissues were normal.
Highlights
References
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Copyright
© 2011, Author(s). This open-access article is available under the Creative Commons Attribution 4.0 (CC BY 4.0) International License (https://creativecommons.org/licenses/by/4.0/), which allows for unrestricted use, distribution, and reproduction in any medium, provided that the original work is properly cited.
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