2024年9月23日 · The internal acoustic canal (IAC), also known as the internal auditory canal or meatus (IAM), is a bony canal within the petrous portion of the temporal bone that transmits …

CT and MR imaging are essential cross-sectional imaging modalities for assessment of temporal bone anatomy and pathology. The choice of CT versus MR depends on the structures and the …

2022年11月16日 · Video approach to imaging the internal auditory canal with a focus on anatomy and common diseases including schwannoma, meningioma, Bell's palsy, and others.

An Internal Auditory Canal CT Scan (IAC), also known as a temporal bone CT scan or ear canal CT scan, is a specialized imaging test used to assess the internal auditory canal, which …

CT Mastoids/Temporal/IACs Cat Scan Reference Guide for Patients Test of choice for evaluating the middle ear ossicles and the surrounding bone architecture. Excellent test for trauma. …

2024年8月11日 · High resolution bony CT reformats is the modality of choice for assessing the internal auditory canal. IAC stenosis is diagnosed when the IAC diameter is <2 mm in vertical …

2021年6月2日 · Internal auditory canal diverticula are identified in approximately 5% of petrous temporal bone CT scans 1,2. Approximately 60% of patients have bilateral diverticula 1,3. A …

2017年3月28日 · Interpreting CT or MR imaging examinations performed on patients with a history of middle ear (ME), mastoid, or neurotologic surgery can be challenging. This is greatly …

2019年8月20日 · CT: The full extent of the IAC is well visualized at this level, with the central crista falciformis dividing the canal into two portions. On CT scans, the oval window is seen as …

If indicated; Yes (See MRG Contrast Media Administration Policy)10.2016 AMR