Myositis Ossificans Traumatica of the Masticatory Muscles

Nemoto, Hitoshi; Sumiya, Noriyoshi; Ito, Yoshinori; Kimura, Naohiro; Akizuki, Ayako; Maruyama, Noriko

doi:10.1097/scs.0b013e31825b33de

Cited by 13 publications

(17 citation statements)

References 12 publications

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“…Histórico de trauma e procedimentos cirúrgicos prévios podem levar, juntamente com um quadro de limitação de abertura bucal, ao descobrimento da enfermidade. Exames de imagem auxiliam no diagnóstico e no planejamento cirúrgico, enquanto a tomografia computadorizada é fundamental para o correto tratamento, avaliando quantidade e sítio da ossificação 4,5 . No caso clínico relatado, o paciente diagnosticado com miosite ossificante relatou ter sofrido um acidente motociclístico e sentir limitação progressiva de abertura bucal.…”

Section: Discussionunclassified

See 1 more Smart Citation

Miosite ossificante em músculo temporal: relato de caso

Neto¹,

Neto²,

Queiroz³

2018

Rev. da Fac. de Odontologia, UPF

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Section: Discussionunclassified

“…Realizar o diagnóstico diferencial de outras patologias que causam a limitação de abertura bucal (anquilose, degeneração do disco articular, luxação anterior do disco sem redução) pode se tornar um desafio. A suspeita clínica deve ser confirmada e suportada por exames complementares de imagem 3,5 .…”

Section: Discussionunclassified

Miosite ossificante em músculo temporal: relato de caso

Neto¹,

Neto²,

Queiroz³

2018

Rev. da Fac. de Odontologia, UPF

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“…5,6 The most commonly accepted view is that a traumatic event always serves as a trigger. 4,5,7 Patient's history is essential for precise diagnosis, as up to 75% of all patients report an instance of direct trauma. 8 In addition, the radiologic features of the condition can be differentiated from those of other bone-forming lesions, such as osteoblastoma, juxtacortical osteoma, osteochondroma, chondroma, sarcoma, chondrosarcoma, and venous hemangioma with multiple phleboliths.…”

Section: Discussionmentioning

confidence: 99%

Myositis Ossificans Circumscripta in the Masseter Muscle Mimicking Phleboliths

Demirkol

Aras²,

Tutar³

2015

Journal of Craniofacial Surgery

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To the Editor: Myositis ossificans circumscripta (MOC) is defined as extraosseous nonneoplastic new bone formation within skeletal muscle or soft tissue. Etiological factors include (single or repetitive) traumatic penetration and crushing injury to the muscle. 1,2 Here, the authors report a case of MOC involving the unilateral masseter muscle, the imaging features of which resembles phleboliths. CLINICAL REPORTA 64-year-old woman was referred to our clinic because of pain, which was exacerbated by opening the mouth and chewing. Clinically, moveable and painful solitary masses were evident in the superior external oblique ridge, and just anterior to the anterior border of the ramus, upon bimanual palpation of the left masseter muscle. She had no limitation in mandibular range of motion, and the skin over the left cheek region and the intraoral soft tissue, were normal. The left Stenson's duct exhibited normal salivary flow. Her medical history and systemic review were unremarkable. She reported that a blunt trauma had been applied to her left cheek a few years before.Panoramic radiography revealed 2 ovoid calcified masses and 1 rather small calcified mass in the region of the left anterior mandibular ramus (Fig. 1A). Computed tomography (CT) imaging revealed 2 calcified masses featuring small rounded radiolucent areas with central calcifications, surrounded by peripheral highdensity rings, suggestive of mature bone, and 1 small completely calcified mass clearly separated from the lateral mandibular ramus (Fig. 1B). Upon coronal CT, all calcified masses were localized within the left masseter muscle (Fig. 1C). A combination of patient's history, and the clinical and radiographic findings, allowed us to diagnose an MOC involving the masseter muscle.

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“…Masseter and sternocleidomastoid muscles are most commonly affected in the head and neck region [20]. Also it may be localized in other masticatory muscles [106,107]. MRI appearances depend on the age of the lesion.…”

Section: Myositis Ossificansmentioning

confidence: 99%

Incidental Findings in TMJ Imaging

Orhan

Aksoy²,

Avsever³

et al. 2018

Imaging of the Temporomandibular Joint

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MRI has been usually used to obtain information from the soft tissue of the TMJ especially for evaluating the articular disc and its pathology. Even if small field of view (FOV) and surface coils are used in TMJ MR imaging, it should be expected that some incidental findings may appear outside the primary area of interest. These incidental findings are common in TMJ MRIs. Orhan et al. [1] evaluated the incidental findings in TMJ MRI and found 117 incidental findings in 15% of the patients. K. Orhan et al.

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Myositis Ossificans Traumatica of the Masticatory Muscles

Cited by 13 publications

References 12 publications

Miosite ossificante em músculo temporal: relato de caso

Miosite ossificante em músculo temporal: relato de caso

Myositis Ossificans Circumscripta in the Masseter Muscle Mimicking Phleboliths

Incidental Findings in TMJ Imaging

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