Aberrant internal carotid artery presenting as a retrotympanic                     vascular mass

Nicolay, Simon; Foer, Bert De; Bernaerts, Anja; Dinther, Joost van; Parizel, Paul M.

doi:10.1177/2047981614553695

Cited by 6 publications

(2 citation statements)

References 7 publications

(8 reference statements)

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“…Vascular pathologies such as glomus tumor, cholesterol granuloma, DMJB, hemangioma, aneurysm of the petrosal segment of the ICA should be considered in the differential diagnosis. [6,8,9] Bilateral aberrant ICA was observed in 2 out of 4 aberrant ICA cases, and 2 cases had an unilateral aberrant ICA on the right TC.…”

Section: Discussionmentioning

confidence: 95%

Non-inflammatory and non-neoplastic soft tissue lesions of the tympanic cavity

Burakgazi¹,

Bayaroğulları²

2020

Anatomy

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Objectives: Tympanic cavity (TC) is an anatomically challenging region for the diagnosis of lesions located inside it. Radiological diagnosis and demonstration of the anatomic localization of sporadic lesions such as vascular malformations and meningocele are essential for the prevention of complications that may occur during operation and recurrent unnecessary interventions. The aim of the present study was to demonstrate the radiological appearance of the vascular variations and the post-traumatic soft tissue lesions which are rarely encountered in TC. Methods: A total of 3525 temporal multi-slice computed tomography (MSCT) images were evaluated between 2010–2018. Twelve cases with non-inflamatory and non-neoplastic soft tissue lesions in TC were detected and 2 with meningocele were included in the study. Results: Of the 12 cases, 6 were males and 6 were females. The mean age of the patients was 26.16 years. Four cases had an aberrant internal carotid artery (ICA), being bilateral in 2 cases and right sided in the remaining 2 cases. Six cases had dehiscent mega jugular bulb (DMJB); and 2 cases had post-traumatic meningocele. Conclusion: Vascular malformations and meningoceles are rarely observed in TC. They may present nonspecific clinical signs and symptoms; however, they should be evaluated with MSCT and MRI before the surgical interventions regarding the middle ear to prevent possible complications.

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Section: Discussionmentioning

confidence: 95%

Non-inflammatory and non-neoplastic soft tissue lesions of the tympanic cavity

Burakgazi¹,

Bayaroğulları²

2020

Anatomy

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“…15 An aberrant internal carotid artery, an anomaly affecting less than 1% of arteries, is presumed to be due to regression or underdevelopment of the cervical portion of the internal carotid artery, which leads to an anastomosis between an enlarged inferior tympanic artery and an enlarged caroticotympanic artery. 2,10,18,19,23 A high jugular bulb, commonly identified in temporal bone surgery, occurs in 24%-50% of cerebellopontine angles. 1,3,28,29 Preoperative radiological examination with CT and MRI is important in case selection.…”

Section: Fig 4 Amentioning

confidence: 99%

The endoscopic anatomy of the middle ear approach to the fundus of the internal acoustic canal

Komune

Matsuo

Miki

et al. 2016

JNS

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OBJECTIVE The application of the endoscope in the lateral skull base increases the importance of the middle ear cavity as the corridor to the skull base. The aim of this study was to define the middle ear as a route to the fundus (lateral end) of the internal acoustic canal and to propose feasible landmarks to the fundus. METHODS This was a cadaveric study; 34 adult cadaveric temporal bones and 2 dry bones were dissected with the aid of the endoscope and microscope to show the anatomy of the transcanal approach to the middle ear and fundus of the internal acoustic canal. RESULTS In the middle ear cavity, the cochleariform process is one of the key landmarks for accessing the fundus of the internal acoustic canal. The triangle formed by the anterior and posterior edges of the overhang of the round window and the cochleariform process provides a landmark to start drilling the bone to access the fundus of the internal acoustic canal. CONCLUSIONS The external acoustic canal and middle ear cavity combined, using endoscopic guidance, can provide a route to the fundus of the internal acoustic canal. A triangular landmark crossing the promontory has been described for reaching the meatal fundus. This transcanal approach requires an understanding of the relationship between the middle ear cavity and the fundus of the internal acoustic canal and provides a potential new area of cooperation between otology and neurosurgery for accessing pathology in this and the bordering skull base.

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Arterial Supply of the Middle Ear

Bonasia,

Robert

2023

Anatomy of Cranial Arteries, Embryology and Variants

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Aberrant internal carotid artery presenting as a retrotympanic vascular mass

Cited by 6 publications

References 7 publications

Non-inflammatory and non-neoplastic soft tissue lesions of the tympanic cavity

Non-inflammatory and non-neoplastic soft tissue lesions of the tympanic cavity

The endoscopic anatomy of the middle ear approach to the fundus of the internal acoustic canal

Arterial Supply of the Middle Ear

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