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Low-dose high-resolution (1.25 mm) chest CT. HRCT is performed using a conventional CT scanner. However, imaging parameters are chosen so as to maximize spatial resolution: [1] a narrow slice width is used (usually 1–2 mm), a high spatial resolution image reconstruction algorithm is used, field of view is minimized, so as to minimize the size of each pixel, and other scan factors (e.g. focal ...
Computerised tomography (CT) can be used to determine if disease is present in the middle ear. [12] Whilst hearing loss is a common symptom in many diseases of the ear, for example in otosclerosis (abnormal bone growth in the ear), [ 3 ] the white, chalky patches on the tympanic membrane are fairly characteristic of tympanosclerosis.
CT is a moderate-to-high radiation diagnostic technique. The radiation dose for a particular examination depends on multiple factors: volume scanned, patient build, number and type of scan protocol, and desired resolution and image quality. [146]
Photo Illustration by Elizabeth Brockway/The Daily Beast/GettyA 5,300-year-old skull from Spain has revealed what might be the world’s oldest example of ear surgery. Excavations in Reinoso ...
A contrasted CT scan of the temporal bone can be done if the patient is unable to undergo MRI scan. [ 19 ] MRI scan is the imaging of choice because it can more accurately differentiate the mass from other tumors such as meningioma , facial nerve schwannoma, epidermoid cyst, arachnoid cyst, aneurysm, and brain metastasis.
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The ligaments of malleus are three ligaments that attach the malleus in the middle ear.They are the anterior, lateral and superior ligaments.. The anterior ligament of the malleus also known as Casserio's ligament [1] is a fibrous band that extends from the neck of the malleus just above its anterior process to the anterior wall of the tympanic cavity close to the petrotympanic fissure.
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