Focal orbital amyloidosis is a rare entity and little is known about its magnetic resonance imaging (MRI) features. In this case report, imaging features of a case of focal orbital amyloidosis presenting as a mass have been documented together with its histopathological findings. On MRI, a well-defined mass was seen as isointense with rectus muscle on T1-weighted images and heterogeneously hypointense on T2-weighted images. Punctuate calcifications were observed on the computerized tomography (CT) examination.

Copyright © 2011, Tehran University of Medical Sciences and Iranian
Society of Radiology. Published by Kowsar Corp. All rights reserved.


"/> Focal orbital amyloidosis is a rare entity and little is known about its magnetic resonance imaging (MRI) features. In this case report, imaging features of a case of focal orbital amyloidosis presenting as a mass have been documented together with its histopathological findings. On MRI, a well-defined mass was seen as isointense with rectus muscle on T1-weighted images and heterogeneously hypointense on T2-weighted images. Punctuate calcifications were observed on the computerized tomography (CT) examination.

Copyright © 2011, Tehran University of Medical Sciences and Iranian
Society of Radiology. Published by Kowsar Corp. All rights reserved.


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Focal Amyloidosis of the Orbit Presenting as a Mass: MRI and CT Features

AUTHORS

Hasan Yerli 1 , * , Erdinc Aydin 2 , Suat Avci 2 , Nihan Haberal 2 , Sibel Oto 2

1 Department of Radiology, Zubeyde Hanim Practice and Research Center, Baskent University, [email protected], Turkey

2 Department of Otolaryngology, Faculty of Medicine, Baskent University, Turkey

How to Cite: Yerli H, Aydin E, Avci S, Haberal N, Oto S. Focal Amyloidosis of the Orbit Presenting as a Mass: MRI and CT Features, Iran J Radiol. Online ahead of Print ; 8(4):241-244. doi: 10.5812/iranjradiol.4555.

ARTICLE INFORMATION

Iranian Journal of Radiology: 8 (4); 241-244
Article Type: Case Report
Received: March 19, 2011
Accepted: August 1, 2011
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Abstract

Focal orbital amyloidosis is a rare entity and little is known about its magnetic resonance imaging (MRI) features. In this case report, imaging features of a case of focal orbital amyloidosis presenting as a mass have been documented together with its histopathological findings. On MRI, a well-defined mass was seen as isointense with rectus muscle on T1-weighted images and heterogeneously hypointense on T2-weighted images. Punctuate calcifications were observed on the computerized tomography (CT) examination.


  • Implication for health policy/practice/research/medical education:
    Focal orbital amyloidosis is a rare entity and little is known about imaging features on MRI. This article may help radiologists and clinicians to understand the imaging features of focal orbital amyloidosis on MRI and CT examinations.
  • Please cite this paper as:
    Yerli H, Aydin E, Avci S, Haberal N, Oto S. Focal Amyloidosis of the Orbit Presenting as a Mass: MRI and CT Features. Iran J Radiol.2011;8(4):241-4. DOI: 10.5812/iranjradiol.4555

Copyright © 2011, Tehran University of Medical Sciences and Iranian
Society of Radiology. Published by Kowsar Corp. All rights reserved.


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