Acoustic neuroma with obstructive hydrocephalus
Citation, DOI and case data
Signs of raised intracranial pressure in a full-term pregnant patient.
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There is a well-circumscribed extra-axial mass at the left cerebellopontine angle measuring (42 x 40 x 38 mm) with moderate enlargement of the proud acusticus. It elicits a low signal on T1, heterogeneous high signal on T2 and FLAIR with no restricted diffusion. Postcontrast sequences were not performed (pregnant patient).
A mass effect is noted on the left middle cerebellar peduncle, brainstem, and the cisternal portion of the trigeminal nerve as well as the cerebellar hemisphere and 4th ventricle which is compressed and displaced to the right.