Intriguing Findings of the Muscle on Magnetic Resonance Imaging in Polyarteritis Nodosa

Polyarteritis nodosa (PAN) confined to the muscle is rare and hard to diagnose. Recently, the utility of magnetic resonance imaging (MRI) for detecting muscle involvement of PAN has been introduced. We herein report the case of biopsy-proven, refractory PAN confined to the lower limb muscles with en...

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Detalles Bibliográficos
Autores principales: Takei, Hiroshi, Hanaoka, Hironari, Kaneko, Yuko, Yamaoka, Kunihiro, Sasaki, Aya, Takeuchi, Tsutomu
Formato: Online Artículo Texto
Lenguaje:English
Publicado: The Japanese Society of Internal Medicine 2016
Materias:
Case Report
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5140874/
https://www.ncbi.nlm.nih.gov/pubmed/27803419
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author Takei, Hiroshi
Hanaoka, Hironari
Kaneko, Yuko
Yamaoka, Kunihiro
Sasaki, Aya
Takeuchi, Tsutomu
author_facet Takei, Hiroshi
Hanaoka, Hironari
Kaneko, Yuko
Yamaoka, Kunihiro
Sasaki, Aya
Takeuchi, Tsutomu
author_sort Takei, Hiroshi
collection PubMed
description Polyarteritis nodosa (PAN) confined to the muscle is rare and hard to diagnose. Recently, the utility of magnetic resonance imaging (MRI) for detecting muscle involvement of PAN has been introduced. We herein report the case of biopsy-proven, refractory PAN confined to the lower limb muscles with enhanced MRI demonstrating discretely granular hyperintensities, which was contrary to previous reports. Our results, with those of previous reports, suggest that the MRI findings of muscles in PAN reflect the vessel size involved and disease severity.
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spelling pubmed-51408742016-12-12 Intriguing Findings of the Muscle on Magnetic Resonance Imaging in Polyarteritis Nodosa Takei, Hiroshi Hanaoka, Hironari Kaneko, Yuko Yamaoka, Kunihiro Sasaki, Aya Takeuchi, Tsutomu Intern Med Case Report Polyarteritis nodosa (PAN) confined to the muscle is rare and hard to diagnose. Recently, the utility of magnetic resonance imaging (MRI) for detecting muscle involvement of PAN has been introduced. We herein report the case of biopsy-proven, refractory PAN confined to the lower limb muscles with enhanced MRI demonstrating discretely granular hyperintensities, which was contrary to previous reports. Our results, with those of previous reports, suggest that the MRI findings of muscles in PAN reflect the vessel size involved and disease severity. The Japanese Society of Internal Medicine 2016-11-01 /pmc/articles/PMC5140874/ /pubmed/27803419 Text en https://creativecommons.org/licenses/by-nc-nd/4.0/ The Internal Medicine is an Open Access article distributed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License. To view the details of this license, please visit (https://creativecommons.org/licenses/by-nc-nd/4.0/).
spellingShingle Case Report
Takei, Hiroshi
Hanaoka, Hironari
Kaneko, Yuko
Yamaoka, Kunihiro
Sasaki, Aya
Takeuchi, Tsutomu
Intriguing Findings of the Muscle on Magnetic Resonance Imaging in Polyarteritis Nodosa
title Intriguing Findings of the Muscle on Magnetic Resonance Imaging in Polyarteritis Nodosa
title_full Intriguing Findings of the Muscle on Magnetic Resonance Imaging in Polyarteritis Nodosa
title_fullStr Intriguing Findings of the Muscle on Magnetic Resonance Imaging in Polyarteritis Nodosa
title_full_unstemmed Intriguing Findings of the Muscle on Magnetic Resonance Imaging in Polyarteritis Nodosa
title_short Intriguing Findings of the Muscle on Magnetic Resonance Imaging in Polyarteritis Nodosa
title_sort intriguing findings of the muscle on magnetic resonance imaging in polyarteritis nodosa
topic Case Report
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5140874/
https://www.ncbi.nlm.nih.gov/pubmed/27803419
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