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Inflammatory orbital disease is a benign space-occupying inflammation involving orbital tissues.
Orbital inflammation (inflammatory orbital pseudotumor) can affect any or all structures within the orbit. The inflammatory response can be nonspecific, granulomatous, or vasculitic. The inflammation can be part of an underlying medical disorder or can exist in isolation. Patients of all ages can be affected. The process can be acute or chronic and can recur.
Symptoms and Signs
Symptoms and signs typically include a sudden onset of pain along with swelling and erythema of the eyelids. Proptosis, diplopia, and vision loss are also possible.
Diagnosis
Similar findings occur with orbital infection (see Orbital Diseases: Preseptal and Orbital Cellulitis), but there is no history of trauma or adjacent focus of infection (eg, sinusitis). Neuroimaging with CT or MRI is required. For chronic or recurrent disease, biopsy may be used to find evidence of an underlying medical condition.
Treatment
Treatment depends on the type of inflammatory response and may include oral corticosteroids, radiation therapy, and one of several immunomodulating drugs. In difficult cases, some initial success has occurred with monoclonal antibodies against tumor necrosis factor-α or with another monoclonal antibody that causes lymphocyte depletion.
Last full review/revision August 2012 by James Garrity, MD
Content last modified November 2012
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