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Application of three dimensional spiral CT of adult middle and inner ear

Kejian Wu

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Abstract

Objective:To explore the application of 3D spiral CT of adult middle and inner ear.Methods:3D imaging spiral CT of adult middle and inner ear,including multiplanar reconstructions(MPR), maximum intensity projection(MaxIP),surface shaded display(SSD) and CT virtual endoscopy (CTVE),was performed with 1mm or 2mm slice thickness,5cm field of view and 0.2mm or 0.5mm reconstruction interval in 75 subjects.Results:Satisfactory 3D images of tympanic cavity in middle ear,the auditory ossicular chain,inner ear,internal auditory meatus were obtained.Conclusion:3D spiral CT could accurately demonstrate the three dimensional structure of adult middle and inner ear.

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What this paper is about

Objective:To explore the application of 3D spiral CT of adult middle and inner ear.Methods:3D imaging spiral CT of adult middle and inner ear,including multiplanar reconstructions(MPR), maximum intensity projection(MaxIP),surface shaded display(SSD) and CT virtual endoscopy (CTVE),was performed with 1mm or 2mm slice thickness,5cm field of view and 0.2mm or 0.5mm reconstruction interval in 75 subjects.Results:Satisfactory 3D images of tympanic cavity in middle ear,the auditory ossicular chain,inner ear,internal auditory meatus were obtained.Conclusion:3D spiral CT could accurately demonstrate the three dimensional structure of adult middle and inner ear.

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Available abstract

Objective:To explore the application of 3D spiral CT of adult middle and inner ear.Methods:3D imaging spiral CT of adult middle and inner ear,including multiplanar reconstructions(MPR), maximum intensity projection(MaxIP),surface shaded display(SSD) and CT virtual endoscopy (CTVE),was performed with 1mm or 2mm slice thickness,5cm field of view and 0.2mm or 0.5mm reconstruction interval in 75 subjects.Results:Satisfactory 3D images of tympanic cavity in middle ear,the auditory ossicular chain,inner ear,internal auditory meatus were obtained.Conclusion:3D spiral CT could accurately demonstrate the three dimensional structure of adult middle and inner ear.

Key concepts: Inner ear, Medicine, Middle ear, Spiral (railway), Meatus, Maximum intensity projection, Anatomy, Tomography

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