Fibrous dysplasia of skull base
A 19-year-old female involved in a head-on collision.
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CT scan shows expanding lesion in the skull base particularly clivus. Note typical ground-glass appearance.
The findings of CT in a 19 Y/O patient are compatible with fibrous dysplasia.
Fibrous dysplasia involving the base of the skull may be detected as an incidental finding on imaging performed for an indication unrelated to the skull base.The most common appearance of fibrous dysplasia on CT is an expanded bone showing a ground-glass appearance and diagnosis of fibrous dysplasia on CT is usually straightforward.
- Chong VF, Khoo JB, Fan YF. Fibrous dysplasia involving the base of the skull. AJR Am J Roentgenol. 2002;178 (3): 717-20. AJR Am J Roentgenol (full text) - Pubmed citation
- Fitzpatrick KA, Taljanovic MS, Speer DP et-al. Imaging findings of fibrous dysplasia with histopathologic and intraoperative correlation. AJR Am J Roentgenol. 2004;182 (6): 1389-98. AJR Am J Roentgenol (full text) - Pubmed citation