| 要約: | Purpose: To describe a rare case of acquired enophthalmos in a patient with idiopathic orbital inflammatory disease after treatment with systemic corticosteroids. Observations: Orbital socket contracture produces a non-traumatic enophthalmos and is most frequently reported as a consequence of orbital trauma or metastatic fibrosis. A previously healthy 64-year-old male presented with 3-month history of binocular diplopia and left proptosis, hypoglobus, supraduction deficit, and compressive neuropathy. Imaging techniques showed a left orbital mass; laboratory tests and biopsy of the mass lead to the diagnosis of idiopathic orbital inflammatory disease. Systemic corticosteroids were administered and, surprisingly, the patient developed left enophthalmos with eyelid retraction. Conclusions and Importance: Although extremely unusual, orbital socket contracture can cause enophthalmos and visual morbidity in patients with idiopathic orbital inflammatory disease treated with corticosteroids.
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