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Japanese

A case of focal myositis in unilateral masticatory muscles Mitsuki Toda 1 , Junji Takeda 1 1Department of Otolaryngology, Sakaide City Hospital pp.949-952
Published Date 2020/10/20
DOI https://doi.org/10.11477/mf.1411202532
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 Focal myositis is an idiopathic inflammatory myopathy that shows focal swelling and pain of the unilateral skeletal muscle, and it is rare in the head and neck region. An 86-year-old man was referred to our hospital complaining of swelling and pain of the cheek. In the magnetic resonance imaging(MRI)scan, inflammation was localized in the masseter and pterygoid muscles. After a bacterial infection, vascular accident, and tumor lesion were excluded focal myositis was finally diagnosed. These symptoms dramatically improved with administration of steroids. Because focal myositis occasionally evolves to polymyositis, we have been monitoring the patient.


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電子版ISSN 1882-1316 印刷版ISSN 0914-3491 医学書院

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