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Primary bone tumors of the orbit
Dinesh Selva1, Valerie A White, John X O'Connell
1Department of Ophthalmology, University of Adelaide and the Royal Adelaide Hospital, Adelaide, Australia.
Survey of Ophthalmology
|April 28, 2004
Summary
Primary orbital bone tumors are rare, often presenting as gradual masses. Accurate diagnosis of these diverse lesions, including fibrous dysplasia and osteoma, requires close collaboration between medical specialists.
Area of Science:
- Ophthalmology
- Oncology
- Pathology
Background:
- Primary orbital bone tumors represent a small fraction (0.6%-2%) of all orbital tumors.
- A 24-year study identified 62 primary orbital bone tumors (1.9%) out of 3,340 orbital tumors.
Purpose of the Study:
- To classify primary orbital bone tumors based on clinicopathologic findings.
- To analyze the presentation and common entities within this tumor group.
Main Methods:
- Clinicopathologic classification of primary orbital bone tumors.
- Review of 62 cases over a 24-year period.
Main Results:
- Tumors classified into benign fibro-osseous/cartilaginous, reactive, neoplastic, and vascular disorders.
- Gradual mass effect is typical; infiltration and hemorrhage suggest malignancy or reactive lesions.
- Fibrous dysplasia and osteoma were the most common, comprising 22 cases.
Conclusions:
- Accurate diagnosis of rare orbital bone tumors necessitates interdisciplinary collaboration.
- Close cooperation between clinicians, radiologists, and pathologists is crucial for challenging cases.