Arrested pneumatisation of the skull base
Presentation
MRI requested for non specific headache
Patient Data
Age: 65-70 years
Gender: Female
From the case:
Arrested pneumatisation of the skull base
MRI
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T1
From the case:
Arrested pneumatisation of the skull base
CT
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non-contrast
Case Discussion
The MRI showed prominent fat signal from basi-sphenoid. although no expansion was seen an NCCT was done which showed fatty marrow interspersed with curvilinear bony trabeculae. No expansion was seen and cranial foramina were of normal caliber. the sphenoid sinus was not pneumatised.
these findings are consistent with Arrested pneumatisation of the skull base
differential diagnoses include- fibrous dysplasia (expansile, ground glass matrix), skull base osteomyelitis or chordoma (destructive)
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