Presentation
Numbness and urinary symptoms.
Patient Data
Age: 25 years
Gender: Female
From the case:
Lipoma of the conus
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There is an 8 x 12 x 14 mm well-defined high signal (on T1/2) intradural intramedullary mass lesion involving the conus medullas that loses signal in STIR images consisting of fat component.
From the case:
Lipoma of the conus
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After contrast injection, the conus medullaris fat equivalent signal mass shows internal septal enhancement.
Case Discussion
The appearances are in keeping with a conus medullaris lipoma. There are few fat-containing intradural lesions including lipoma and dermoid cyst. The presence of a solid enhancing component makes the diagnosis dermoid almost certainly and excludes a simple lipoma.
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