Spontaneous temporomandibular joint herniation into the external auditory canal through a patent foramen of Huschke: A case report
نویسندگان
چکیده
Temporomandibular joint herniation (TMJ) can be caused by inflammation, trauma, tumor, or otologic procedures. However, spontaneous TMJ herniation can also occur as a result of a congenital bony defect in the external auditory canal (EAC), known as the patent foramen of Huschke (PFH), and occurs in 0.4% of the population. Herein, the authors present a case of spontaneous TMJ herniation through the PFH with clicking tinnitus. The patient underwent the surgical repair of bony defect in the EAC with placement of titanium mesh, and the symptom disappeared after surgery. They also review the relevant literature regarding this disease and discuss its embryologic development and clinical significance.
منابع مشابه
A Case of Spontaneous Temporomandibular Joint Herniation into the External Auditory Canal with Clicking Sound
A bony defect of the external auditory canal (EAC) and herniation of the temporomandibular joint (TMJ) can be caused by tumorous conditions, inflammation, trauma, and otologic procedures. Spontaneous TMJ herniation into the EAC can be caused by a congenital bony defect known as patent Huschke's foramen, which is a very rare condition. In our case, an objective clicking sound was produced when t...
متن کامل[Spontaneous temporomandibular joint herniation into the external auditory canal].
OBJECTIVES We report a rare case of spontaneous temporomandibular joint herniation into the external auditory canal. MATERIAL AND METHODS A 42-year-old woman consulted for recurrent right otalgia. RESULTS The clinical examination revealed a white mass of the anterior wall of the bony external auditory canal, very close to the tympanic annulus, which was replaced by an invagination of the sk...
متن کاملIdentification of foramen of Huschke with reversible herniation of temporomandibular joint soft tissue into the external auditory canal on multidetector computed tomography.
The foramen of Huschke, or foramen tympanicum, is a developmental defect in the bony part of the external auditory canal (EAC) due to a defect in ossification of normal bone in the first 5 years of life. Seen in the anteroinferior part of the EAC, it can be asymptomatic or present with salivary discharge into the EAC during mastication or as soft tissue swelling in the EAC in the absence of any...
متن کاملVariant presentations of “Foramen of Huschke” in seven adult human crania
Introduction Professor Emil Huschke (1797-1858), a German anatomist first described the probability of deficiency in the development of tympanic plate of temporal bone, which was named as “Foramen of Huschke” or foramen tympanicum, which usually to get apposed in adulthood [1, 2]. It, if persistent in adult life, may result in complications like herniation of temporomandibular joint (TMJ), form...
متن کاملRepair of the foramen of Huschke using an extended endaural approach.
INTRODUCTION The foramen of Huschke develops due to an ossification defect of the anteroinferior part of the temporal bone in the first 5 years of life and is an anatomic variation of the tympanic portion of the temporal bone. A small-sized (mean 2.7 mm in length and 2.0 mm in width) persistent foramen is commonly observed in 9% to 27% of adult temporal bone and varies with age and sex. However...
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