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HOME > Endocrinol Metab > Volume 23(1); 2008 > Article
Case Report A Case of Unilateral Exophthalmos Caused by a Dural Arteriovenous Malformation in Thyroid-Associated Ophthalmopathy.
Sun Ryoung Choi, Seong Jin Lee, Hae Ri Lee, Jun Goo Kang, Ohk Hyun Ryu, Chul Sik Kim, Byung Wan Lee, Eun Gyung Hong, Hyeon Kyu Kim, Doo Man Kim, Jae Myung Yoo, Sung Hee Ihm, Moon Gi Choi, Hyung Joon Yoo
Endocrinology and Metabolism 2008;23(1):51-55
DOI: https://doi.org/10.3803/jkes.2008.23.1.51
Published online: February 1, 2008
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Department of Internal Medicine, College of Medicine, Hallym University, Korea.

Thyroid-associated ophthalmopathy is associated with thyroid dysfunction, particularly Graves' disease, and is manifested as eye signs, including proptosis. In cases of unilateral exophthalmos with thyroid-associated ophthalmopathy, other causes such as orbital neoplasm, carotid-cavernous fistula, cavernous sinus thrombosis, and dural arteriovenous malformation (AVM) should be excluded. Dural AVM, an abnormal dural arteriovenous connection, is a rare neurovascular entity that mimics thyroid-associated ophthalmopathy. When eye involvement is unilateral or asymmetric, dural AVM can be considered in the differential diagnosis of thyroid-associated ophthalmopathy. A twenty-six year-old woman presented with unilateral exophthalmos in Graves' disease. By orbital magnetic resonance imaging and cerebral angiography, thyroid-associated ophthalmopathy and dural AVM were diagnosed. The unilateral exophthalmos improved after coil embolization of the dural AVM. In summary, we report the first case of a dural AVM with Graves' disease and thyroid-associated ophthalmopathy.

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