Focal myositis of the sternocleidomastoid muscle: a rare and uncommon cause of cervical mass

We report on a 70-year-old male patient admitted to the internal medicine department for evaluation of a right cervical mass. He had been treated with antibiotics as an outpatient by his primary care doctor. Upon admission the patient was asymptomatic, but within a few hours his cervical mass enlarg...

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Main Authors: Léa Docquier, Xavier Jannot, Zaida Córdoba-Sosa, Léa Pierre, Pierre Alexis Austrusseau, Emmanuel Andres, Noel Lorenzo Villalba
Format: Article
Language:English
Published: SMC MEDIA SRL 2023-05-01
Series:European Journal of Case Reports in Internal Medicine
Subjects:
Online Access:https://www.ejcrim.com/index.php/EJCRIM/article/view/3919
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author Léa Docquier
Xavier Jannot
Zaida Córdoba-Sosa
Léa Pierre
Pierre Alexis Austrusseau
Emmanuel Andres
Noel Lorenzo Villalba
author_facet Léa Docquier
Xavier Jannot
Zaida Córdoba-Sosa
Léa Pierre
Pierre Alexis Austrusseau
Emmanuel Andres
Noel Lorenzo Villalba
author_sort Léa Docquier
collection DOAJ
description We report on a 70-year-old male patient admitted to the internal medicine department for evaluation of a right cervical mass. He had been treated with antibiotics as an outpatient by his primary care doctor. Upon admission the patient was asymptomatic, but within a few hours his cervical mass enlarged; this enlargement was confined to the right sternocleidomastoid muscle. Complete blood investigations including serology and autoimmunity were negative. The neck scan and MRI were in favour of myositis. No other lesions were found either in the nasal fibre-optic exam or in the thoracic-abdominal-pelvic scan. The biopsy of the muscle showed a lymphoplasmacytic inflammatory infiltrate of the perimysium. The diagnosis of focal myositis was made. The patient clinically improved during hospitalisation with complete resolution of symptoms without any specific intervention.
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spelling doaj.art-a483aa3fafa344d2bee511629f8455562023-06-07T14:14:15ZengSMC MEDIA SRLEuropean Journal of Case Reports in Internal Medicine2284-25942023-05-0110.12890/2023_0039193454Focal myositis of the sternocleidomastoid muscle: a rare and uncommon cause of cervical massLéa Docquier0Xavier Jannot1Zaida Córdoba-Sosa2Léa Pierre3Pierre Alexis Austrusseau4Emmanuel Andres5Noel Lorenzo Villalba6Service de Médecine Interne. Hôpitaux Universitaires de StrasbourgService de Médecine Interne. Hôpitaux Universitaires de StrasbourgServicio de Medicina Interna. Hospital General de FuerteventuraService de Médecine Interne. Hôpitaux Universitaires de StrasbourgService de Radiologie Interventionnelle. Hôpitaux Universitaires de StrasbourgService de Médecine Interne. Hôpitaux Universitaires de StrasbourgService de Médecine Interne. Hôpitaux Universitaires de StrasbourgWe report on a 70-year-old male patient admitted to the internal medicine department for evaluation of a right cervical mass. He had been treated with antibiotics as an outpatient by his primary care doctor. Upon admission the patient was asymptomatic, but within a few hours his cervical mass enlarged; this enlargement was confined to the right sternocleidomastoid muscle. Complete blood investigations including serology and autoimmunity were negative. The neck scan and MRI were in favour of myositis. No other lesions were found either in the nasal fibre-optic exam or in the thoracic-abdominal-pelvic scan. The biopsy of the muscle showed a lymphoplasmacytic inflammatory infiltrate of the perimysium. The diagnosis of focal myositis was made. The patient clinically improved during hospitalisation with complete resolution of symptoms without any specific intervention.https://www.ejcrim.com/index.php/EJCRIM/article/view/3919neck massessternocleidomastoid musclemagnetic resonance image (mri)
spellingShingle Léa Docquier
Xavier Jannot
Zaida Córdoba-Sosa
Léa Pierre
Pierre Alexis Austrusseau
Emmanuel Andres
Noel Lorenzo Villalba
Focal myositis of the sternocleidomastoid muscle: a rare and uncommon cause of cervical mass
European Journal of Case Reports in Internal Medicine
neck masses
sternocleidomastoid muscle
magnetic resonance image (mri)
title Focal myositis of the sternocleidomastoid muscle: a rare and uncommon cause of cervical mass
title_full Focal myositis of the sternocleidomastoid muscle: a rare and uncommon cause of cervical mass
title_fullStr Focal myositis of the sternocleidomastoid muscle: a rare and uncommon cause of cervical mass
title_full_unstemmed Focal myositis of the sternocleidomastoid muscle: a rare and uncommon cause of cervical mass
title_short Focal myositis of the sternocleidomastoid muscle: a rare and uncommon cause of cervical mass
title_sort focal myositis of the sternocleidomastoid muscle a rare and uncommon cause of cervical mass
topic neck masses
sternocleidomastoid muscle
magnetic resonance image (mri)
url https://www.ejcrim.com/index.php/EJCRIM/article/view/3919
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