Herniation of the temporomandibular joint into the external auditory meatus secondary to benign necrotising otitis externa

Tan, Neil; Wilson, A.; Buckland, Jonathan

doi:10.1016/j.bjoms.2008.07.204

Cited by 14 publications

(6 citation statements)

References 7 publications

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“…In our study, patients exhibited several risk factors for TMJ herniation, including obesity, diabetes, and rheumatoid arthritis. An inflammatory response in patients with rheumatoid arthritis can lead to necrosis of the bony plate between the EAC and TMJ 4 . Similarly, microvascular damage in patients with diabetes can contribute to necrosis of the EAC wall 5 .…”

Section: Discussionmentioning

confidence: 99%

“…An inflammatory response in patients with rheumatoid arthritis can lead to necrosis of the bony plate between the EAC and TMJ. 4 Similarly, microvascular damage in patients with diabetes can contribute to necrosis of the EAC wall. 5 Obesity is known to be associated with increased production of proinflammatory molecules, potentially influencing the pathogenesis of TMJ disorders.…”

Section: Discussionmentioning

confidence: 99%

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Extensive Temporomandibular Joint Herniation Into the External Auditory Canal

Mokhatrish,

Cho

2024

Journal of Craniofacial Surgery

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Spontaneous herniation of the temporomandibular joint (TMJ) into the external auditory canal (EAC) is a rare occurrence. Typically, TMJ herniations are small and involve a focal defect in the EAC. In this report, we present an unusual case of extensive TMJ herniation measuring 17 mm, originating from a bony defect in the EAC. The patient underwent a successful treatment, which involved the surgical excision of the herniated mass and the subsequent reconstruction of the EAC using conchal cartilage. In this article, we will discuss the surgical techniques employed for repairing TMJ herniation in the EAC.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Extensive Temporomandibular Joint Herniation Into the External Auditory Canal

Mokhatrish,

Cho

2024

Journal of Craniofacial Surgery

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“…Invasion into underlying structures is also a complication with benign osteonecrosis of the external ear. Common signs and symptoms of invasion include loud noises and conductive hearing loss with the jaw closed, indicating an invasion of the temporomandibular joint [ 6 ]. Unlike malignant otitis externa, benign osteonecrosis does not have associated pain.…”

Section: Discussionmentioning

confidence: 99%

Benign osteonecrosis of the external ear canal: case series

Chandler¹,

Hawthorne²,

Georgolios³

2023

Journal of Surgical Case Reports

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Benign osteonecrosis of the external ear canal is a rare pathology that commonly gets misdiagnosed as cholesteatoma of the external ear canal, keratosis obturans and malignant otitis externa. Each pathology has characteristics that allow for differentiation between them. Careful analysis is required to diagnose properly and determine the best modality of management. This case series presents two patients that were diagnosed with benign osteonecrosis of the external ear canal and is being managed conservatively with serial debridement. Response to conservative treatment has resulted in adequate control of symptoms in both patients.

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“…Due to this intimate anatomical relationship, herniation of the TMJ into the EAC occurs spontaneously [11] or secondary to neoplasia, inflammation, developmental problems and especially trauma [11][12][13][14]. Direct impact into the chin displaces the condyle posteriorly until the movement is stopped by the articular fossa and the ligaments.…”

Section: Discussionmentioning

confidence: 99%

External Auditory Canal Fracture after Posterior Dislocation of an Intact Condylar Head

Karabouta

Eleftherios

Christos

2014

IJMPCR

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Aims:The aim of this article is the kind of applied treatment for fracture of the external auditory canal, following traumatic facial injuries. Presentation of Case: The case report of the patient described in this article, is evaluated for the posterior dislocation of an intact mandibular condyle after facial injuries she had due to a car accident. The physical and x-ray examination of the External Auditory Canal (EAC) revealed facial fractures, TMJ dysfunctional symptoms with severe disk displacement, as well as fracture of the anterior wall of the EAC. Atraumatical reduction of the fracture was accomplished during the TMJ disc reduction and joint exploration, resulting in a satisfactory outcome with no complications and with Case Study Conclusion:In summary, a direct blow to the mandible can result in a TMJ apparatus injury. Due to the close relationship between TMJ and EAC, an atypical injury, such as a fracture of the anterior wall of the EAC can occur. An oral & maxillofacial surgeon, when called to examine and diagnose TMJ injury disorders, has the challenging responsibility to take into account the potential concomitant temporal bone fractures or intracranial complications in cooperation with radiologists, ENT doctors and neurosurgeons.

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Herniation of the temporomandibular joint into the external auditory meatus secondary to benign necrotising otitis externa

Cited by 14 publications

References 7 publications

Extensive Temporomandibular Joint Herniation Into the External Auditory Canal

Extensive Temporomandibular Joint Herniation Into the External Auditory Canal

Benign osteonecrosis of the external ear canal: case series

External Auditory Canal Fracture after Posterior Dislocation of an Intact Condylar Head

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