• Six hundred forty-five consecutive biopsies of orbital lesions performed at a major ophthalmic hospital during a 20-year period were used to develop a comprehensive classification of orbital tumors and pseudotumors, excluding thyroid orbitopathy. Although this series has certain bias, it probably closely parallels the incidence of orbital lesions that would prompt a biopsy in an ophthalmic practice. It is hoped that this review, combined with a familiarity of the signs and symptoms of various orbital lesions, will aid the clinician in the diagnostic evaluation of the patient with an orbital mass.
Shields JA, Bakewell B, Augsburger JJ, Flanagan JC. Classification and Incidence of Space-Occupying Lesions of the Orbit: A Survey of 645 Biopsies. Arch Ophthalmol. 1984;102(11):1606–1611. doi:10.1001/archopht.1984.01040031296011
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