Idiopathic orbital myositis

Ingrid Scott, R. Michael Siatkowski

Research output: Contribution to journalReview article

60 Citations (Scopus)

Abstract

Idiopathic orbital myositis is a subtype of nonspecific orbital inflammation primarily involving the extraocular muscles. It occurs most frequently in young to middle-aged adults with a 2 to 1 female predominance. The cardinal clinical feature is orbital pain exacerbated by eye movement. Other common findings include diplopia, proptosis (which is generally minimal), conjunctival injection and chemosis, and periorbital edema. Thyroid eye disease is commonly confused with orbital myositis, but the latter is characterized by a more acute onset, more severe pain, and a rapid response to systemic corticosteroid therapy. Echography and CT scanning reveal enlarged muscle bellies and thickened tendons, with low internal reflectivity echographically. Although the cause of orbital myositis is unknown, an immune-mediated pathophysiologic mechanism is likely. This review summarizes recent findings regarding the epidemiology, diagnosis, pathophysiology, and treatment of idiopathic orbital myositis.

Original languageEnglish (US)
Pages (from-to)504-512
Number of pages9
JournalCurrent Opinion in Rheumatology
Volume9
Issue number6
DOIs
StatePublished - Jan 1 1997

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Orbital Myositis
Oculomotor Muscles
Pain
Exophthalmos
Diplopia
Eye Diseases
Thyroid Diseases
Eye Movements
Tendons
Ultrasonography
Edema
Adrenal Cortex Hormones
Epidemiology
Inflammation
Muscles
Injections
Therapeutics

All Science Journal Classification (ASJC) codes

  • Rheumatology

Cite this

Scott, Ingrid ; Siatkowski, R. Michael. / Idiopathic orbital myositis. In: Current Opinion in Rheumatology. 1997 ; Vol. 9, No. 6. pp. 504-512.
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Idiopathic orbital myositis. / Scott, Ingrid; Siatkowski, R. Michael.

In: Current Opinion in Rheumatology, Vol. 9, No. 6, 01.01.1997, p. 504-512.

Research output: Contribution to journalReview article

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