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3 sie 2016 · The cross-sectional imaging modalities available include computed tomography (CT), magnetic resonance imaging (MRI), ultrasound (US) and positron emission tomography-computed tomography with fluorine-18-deoxy-D-glucose (18 FDG PET-CT). Each modality has its own strengths and weaknesses; these are enumerated below.
Magnetic resonance imaging (MRI) is an excellent modality for assessing the soft tissue extent of the primary tumour. Its main advantage is in assessing deep infiltration. Together with the mucosal extent visible on clinical inspection, this is used to determine the T stage.
22 wrz 2020 · Common applications of MRI include diagnostic evaluation of sensorineural hearing loss, assessment of cochlear implant candidacy, monitoring for residual or recurrent cholesteatoma within the tympanomastoid space, and monitoring for vestibular schwannoma within the inner auditory canal or cerebellopontine angle.
16 lut 2019 · Anatomy of the cochlea. (A) CT scan of a human cochlea. Scale bar, 2.5 mm. The microstructures within are not visible using conventional CT. (B) Schematic of the middle and inner ears of a human. Sound impinges on the tympanum, and moves the three auditory ossicles (Malleus, M, Incus, I, Stapes, S).
3 paź 2019 · In this temporal bone study, we focused on high-resolution imaging of the human cochlea. The cochlea was approached through mastoidectomy and posterior tympanotomy, both standard surgical...
10 lis 2011 · (1) Evaluate audiometric protocols and recommend protocols with best sensitivity and specificity for magnetic resonance imaging (MRI) screening of acoustic tumors; (2) determine clinical risks...
1 sie 2018 · 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 disease processes that require assessment, delineation, and characterization.
