Cerebellopontine angle ruptured dermoid cyst

Case contributed by Dr Hidayatullah Hamidi

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Patient Data

Age: 35 years
Gender: Female

A large mixed density -mostly fat attenuating- mass lesion in the left cerebellopontine angle (consistent with dermoid cyst) causing compression over the pons and fourth ventricle with resultant proximal hydrocephalus.

There are multiple drops of fat in the cerebral sulci surrounding the brain mainly along both sylvian fissures due to the ruptured dermoid cyst.

Case Discussion

Imaging feature of dermoid cyst are characteristic. They are usually fat containing non-enhancing well-defined lobulated masses.

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Case information

rID: 63504
Published: 6th Oct 2018
Last edited: 14th Aug 2019
Inclusion in quiz mode: Included

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