Acoustic neuroma - intracanalicular

Case contributed by Ammar Haouimi
Diagnosis almost certain

Presentation

Vertigo with left-sided hearing loss.

Patient Data

Age: 80 years
Gender: Male

Small well-defined intracanalicular mass of the left IAC, isointense to the brain parenchyma on T1, T2, and FLAIR with homogeneous enhancement on postcontrast sequences. No significant widening of the IAC. No mass at the cerebellopontine angle.

Age-related cerebral volume loss.

Case Discussion

MRI features of an enhancing intracanalicular mass of the left IAC most consistent with an acoustic neuroma.

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