File:Acoustic schwannoma (Radiopaedia 50846-56358 Axial SWI 57).png

Summary:

• Radiopaedia case ID: 50846
• Image ID: 27965058
• Image stack position: 57/88
• Plane projection: Axial
• Aux modality: SWI
• Study findings: Large, heterogeneous, avidly enhancing mass in the right cerebellopontine angle with extension into expanded internal auditory canal. Moderate mass effect with distortion of the pons, right cerebellar peduncle and effacement of the aqueduct, partial effacement of the fourth ventricle. No evidence of hydrocephalus. Conclusion: Right CP angle mass consistent with a schwannoma.
• Modality: MRI
• System: Head & Neck
• Findings: Widening of the right internal acoustic meatus consistent with an expanding lesion projecting into the right cerebellopontine angle cistern, consistent with a vestibular schwannoma. No other acute middle or inner ear abnormality.
• Published: 28th Jan 2017
• Source: https://radiopaedia.org/cases/acoustic-schwannoma-25
• Author: Frank Gaillard
• Permission: http://creativecommons.org/licenses/by-nc-sa/3.0/

Licensing:

Attribution-NonCommercial-ShareAlike 3.0 Unported (CC BY-NC-SA 3.0)