Fibrous dysplasia of the skull base

James J. Lynch, Derek A. Duke, Fredric B. Meyer, K. K. Unni

Research output: Contribution to journalArticle


This study examined the presentation, surgical complications, and outcome associated with treating 82 cases of skull base fibrous dysplasia (SBFD). Eighty-two cases of SBFD were identified. All pathology was reviewed by a senior pathologist (K. Unni). The medical records were reviewed for presenting symptoms, treatment, surgical complications, outcome, and follow-up. Fifty-one males (62)% and 31 females (38%), mean age 24 years, were operated on. Distributed in frontal 72%, ethmoid 61%, sphenoid 57%, fronto-ethmoid-sphenoidal 39%, frontoethmoidal 38%, temporal 12%, and occipital 12% locations. Orbit involved in 66%. Patients presented with facial asymmetry 61%, proptosis 41%, headache 39%, and visual loss 15%. Gross total resection was achieved in 51%, and subtotal 49%. Complications included anosmia 13%, visual worsening 11%, infection 10%, ocular paresis 4%, CSF leak 2.5%. One patient spontaneously progressed to fibrosarcoma. Mean follow-up was 11 years (range 0-55) Twenty-two percent had progression of residual FD (4% symptomatic).

Original languageEnglish (US)
Number of pages1
JournalSkull Base Surgery
Issue numberSUPPL. 1
StatePublished - Dec 1 1998

ASJC Scopus subject areas

  • Clinical Neurology

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    Lynch, J. J., Duke, D. A., Meyer, F. B., & Unni, K. K. (1998). Fibrous dysplasia of the skull base. Skull Base Surgery, 8(SUPPL. 1).