Ocular myasthenia gravis associated with euthyroid ophthalmopathy
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Published on: September 22, 2017
Tomohiko Kusuhara1, Masashi Nakajima, Akiko Imamura
1Department of Neurology, Fukuoka University School of Medicine, 7-45-1 Nanakuma Johnan-ku, Fukuoka 814-0180, Japan.
Abstract:
We report a 71-year-old woman with concomitant ocular myasthenia gravis and euthyroid Graves' ophthalmopathy. Unilateral ophthalmoplegia, including ptosis, initially was responsive to edrophonium and corticosteroids, except for diplopia on upward gaze, but refractory swelling of the inferior rectus muscle and proptosis followed. Autoantibodies to acetylcholine and thyrotropin receptors were detected. Her ophthalmopathy abated after orbital irradiation in combination with systemic steroids. There may be an immunological basis for the association of ocular myasthenia gravis with euthyroid Graves' ophthalmopathy.
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