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The “Penumbra Sign” on Magnetic Resonance Images of Brodie’s Abscess: A Case Report

AUTHORS

Ahmadreza Afshar 1 , Afshin mohammadi 2 , *

1 Department of Orthopedics and Hand Surgery, Imam Khomeini Hospital, Urmia University of Medical Sciences, Urmia, Iran

2 Department of Diagnostic Radiology, Imam Khomeini Hospital, Urmia University of Medical Sciences, Urmia, Iran

How to Cite: Afshar A, mohammadi A. The “Penumbra Sign” on Magnetic Resonance Images of Brodie’s Abscess: A Case Report, Iran J Radiol. 2011 ; 8(4):e93566. doi: 10.5812/iranjradiol.4493.

ARTICLE INFORMATION

Iranian Journal of Radiology: 8 (4); e93566
Published Online: December 30, 2011
Article Type: Case Report
Received: May 13, 2019
Accepted: August 04, 2011
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Abstract

This report presents the “penumbra sign” of a Brodie’s abscess in a 69-year-old male patient. The lesion was located in the proximal metaphysis of the left tibia. Histopathology confirmed the diagnosis of subacute osteomyelitis. The penumbra sign on magnetic resonance (MR) images is a helpful sign for the diagnosis of Brodie’s abscess.

Keywords

Abscess Osteomyelitis Magnetic Resonance Imaging

© 2011, 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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