Intracranial mature cystic teratoma

Case contributed by Dr Bruno Di Muzio

Presentation

Three months progressive headache, vomiting and seizures.

Patient Data

Age: 7 years
Gender: Male

CT brain (selected images)

Modality: CT

Single image from a post-contrast CT of the brain demonstrates a large complex supratentorial midline lesion with cystic areas, small calcifications and a solid hypodense area located in the midline in the pineal region. 

MRI brain (selected images)

Modality: MRI

Single images from an MRI of the brain demonstrate a very large mass is located in the region of the pineal gland with peripheral contrast enhancement. The cystic component is multi-loculated and each component demonstrates different signal intensity with some having fluid-fluid levels. There is compression of the midbrain and hydrocephalus. 

Case Discussion

This patient went on to have a craniotomy which confirmed the diagnosis on a mature intracranial teratoma. Without the benefit of macroscopic fat it is difficult to make a firm pre-operative diagnosis. 

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Case Information

rID: 12169
Case created: 27th Oct 2010
Last edited: 4th Sep 2015
Inclusion in quiz mode: Included

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