Intraosseous pseudomeningocele

Case contributed by Dr Carla Guerreiro

Presentation

History of head trauma at 18 months of age, presented with long-standing right eye visual field defect.

Patient Data

Age: 65 years
Gender: Female
CT

Head CT with axial and sagittal reconstructions shows discontinuity of the inner table of the occipital bone and widening of the intradiploic space, extending from the level of the lambdoid suture to the posterior margin of the foramen magnum.

MRI

Brain MRI reveals a porencephalic area communicating with an expansive intradiploic cavity, with signal evolution similar to CSF in all sequences.

Case Discussion

Intraosseous pseudomeningocele are uncommon and often only identified many years after trauma. 

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Case information

rID: 50125
Case created: 19th Dec 2016
Last edited: 1st Jan 2017
Tag: trauma
Inclusion in quiz mode: Included

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