Anatomic and radiograph study of the persistence of Foramen of Huschke

Moreno, Rodrigo Costa; Chilvarquer, Israel; Hayek, Jorge Elie; Seraidarian, Paulo Isaías

doi:10.1016/s1808-8694(15)31273-8

Cited by 13 publications

(11 citation statements)

References 7 publications

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“…Moreno et al 13 identified and located the foramen of Huschke using contrast material through extraoral Figure 3 There is no foramen tympanicum in both sides, 1 mm with thickness sagittal slice, flat panel detector-based cone beam CT scan (white arrow) Figure 4 There is no foramen tympanicum in both sides, 0.5 mm with thickness axial slice, flat panel detector-based cone beam CT scan (white arrow) radiographs, such as panoramic, submental vertex and corrected sagittal linear TMJ tomograms, in four skulls. They reported that linear tomography provides the best results to visualize the foramen of Huschke.…”

Section: Discussionmentioning

confidence: 99%

“…They reported that linear tomography provides the best results to visualize the foramen of Huschke. 13 CBCT is a relatively new 3D imaging technique requiring a significantly lower radiation dose than conventional CT. CBCT differs from conventional CT imaging in that the whole volume of data is acquired in the course of a single sweep of the scanner. The exposure time with CBCT scanners is typically less than 20 s and reconstruction of the image takes less than 2 min.…”

Section: Discussionmentioning

confidence: 99%

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Foramen tympanicum or foramen of Huschke: anatomical cone beam CT study

Tozoğlu¹,

Çağlayan²,

Harorlı³

2012

Dentomaxillofacial Radiology

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Objective: The foramen of Huschke (foramen tympanicum) represents a developmental defect in the antero-inferior aspect of the bony external auditory meatus. The foramen is located at the antero-inferior aspect of the external auditory canal, posteromedial to the temporomandibular joint. The aim of this study is to define the prevalence and location of the foramen of Huschke. Methods: We retrospectively examined 207 cone beam CT (CBCT) studies (414 ears). We used flat panel detector (FPD)-based CBCT (New Tom FP; Quantitative Radiology, Verona, Italy) for imaging in our department. We noted the location of the foramen tympanicum and calculated its prevalence as a percentage. Results: We found a foramen tympanicum in 37 (17.9%) of 207 patients. This was unilateral in 24 patients (11.6%) and bilateral in 13 patients (6.3%). Mean axial diameter was 5 mm and mean sagittal diameter was 2 mm. Conclusion: The foramen tympanicum is an uncommon disorder and is well demonstrated on CBCT. This is the first study to detect the foramen tympanicum using FPD-based CBCT.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Foramen tympanicum or foramen of Huschke: anatomical cone beam CT study

Tozoğlu¹,

Çağlayan²,

Harorlı³

2012

Dentomaxillofacial Radiology

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“…19,21,23 Several studies of detection of this anatomical variation, using conventional CT and cadaver studies, have been published. 1,2,10,26 However, only 1 study has been conducted on CBCT imaging, 1 but to our knowledge, no attempt has been made to study the visualization of foramen tympanicum according to orthodontic malocclusions using CBCT imaging. Hence, it was considered worthwhile to assess the occurrence and location of the foramen tympanicum according to orthodontic malocclusions and sex in a Turkish sample using CBCT.…”

mentioning

confidence: 99%

Evaluation of Foramen Tympanicum Using Cone-Beam Computed Tomography in Orthodontic Malocclusions

Akbulut

Kurşun²,

Aksoy³

et al. 2014

Journal of Craniofacial Surgery

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The foramen tympanicum is a persistent anatomic formation of the temporal bone due to a defect in ossification normal bone physiology in neonatal or postnatal period. This study determined the occurrence and location of the foramen tympanicum in a Turkish sample using cone-beam computed tomography. Scans of 370 sites in 185 patients were retrospectively analyzed to determine foramen tympanicum occurrence, sizes, and locations according to their orthodontic malocclusions. Measurements were done on axial and sagittal sections to identify the dimensions. Differences in foramen tympanicum incidence by measurements, sex, side, malocclusions, and location were statistically evaluated. Foramen tympanicum was determined in 42 (22.7%) of 185 patients. No statistical difference was found considering location and sex (P > 0.05), but it was found more bilaterally in female patients within significance level at P = 0.024. Mean sizes did not differ significantly by sex but were found to be greater in females. In axial diameter, the average measurement was found wider on the right side of all patients (P = 0.017). The findings showed a greater foramen tympanicum dimension among class II than among class I and III subjects (P < 0.05). Knowledge about these structures is helpful for the interpretation of imaging (especially cone-beam computed tomography) and provides valuable information especially before orthognathic surgery to avoid intraoperative reconstruction and complications.

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“…[10] It was most evident by linear tomography. However, being a rather obsolete technique, they recommended CT as the best technique to visualize the foramen.…”

Section: Discussionmentioning

confidence: 98%

Foramen of Huschke (tympanicum) in a Nigerian male with articular soft-tissue herniation into the external auditory meatus

2014

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The protrusion of articular soft-tissue from the temporomandibular joint (TMJ) into the external ear in the absence of trauma, neoplasm or inflammation is rare. We present below a Nigerian adult male with retrodiscal herniation of soft-tissues of the TMJ into the external auditory meatus through a persistent foramen of Huschke. We are not aware of any reports of this developmental defect or its prevalence in the Nigerian medical literature. Therefore, this case is presented to heighten the index of suspicion of physicians when managing patients with otorrhea and otalgia; which is often primarily diagnosed or misdiagnosed as otitis externa. This will help avoid complications associated with the anomaly, some of which could be very serious.

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Anatomic and radiograph study of the persistence of Foramen of Huschke

Abstract: The results proved that the foramen of Huschke can be observed in skulls submitted to contrast using radiographic techniques.

Cited by 13 publications

References 7 publications

Foramen tympanicum or foramen of Huschke: anatomical cone beam CT study

Foramen tympanicum or foramen of Huschke: anatomical cone beam CT study

Evaluation of Foramen Tympanicum Using Cone-Beam Computed Tomography in Orthodontic Malocclusions

Foramen of Huschke (tympanicum) in a Nigerian male with articular soft-tissue herniation into the external auditory meatus

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