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특발안와근염에 의한 단독 눈꺼풀처짐

Isolated Unilateral Ptosis Caused by Idiopathic Orbital Myositis

대한신경근육질환학회지 2020년 12권 2호 p.39 ~ 43
조정희, 배소희, 옥태동, 박찬욱,
소속 상세정보
조정희 ( Cho Jeong-Hee ) - National Health Insurance Service Ilsan Hospital Department of Neurology
배소희 ( Bae So-Hi ) - National Health Insurance Service Ilsan Hospital Department of Radiology
옥태동 ( Ok Tae-Dong ) - Yonsei University College of Medicine Department of Neurology
박찬욱 ( Park Chan-Wook ) - Yonsei University College of Medicine Department of Neurology

Abstract


Idiopathic orbital myositis is considered as a subgroup of idiopathic orbital inflammatory disease. It is a non-infectious inflammatory disorder primarily affecting the extraocular muscles and causes various eye symptoms including pain, diplopia and limitation of extraocular movement. Cases of isolated ptosis by idiopathic orbital myositis have been very rarely described in the literature. We report a patient who developed unilateral painless ptosis caused by idiopathic orbital myositis. A 52-year-old man presented with drooping of the right eyelid for 3 days. There was no history of headache, double vision or any other complaints. Neurological examination revealed right ptosis without pupil and extraocular muscles involvement. Repetitive nerve stimulation test was normal. Ptosis did not improve after the neostigmine injection. Magnetic resonance imaging scan showed asymmetric enlargement of right superior rectus/levator palpebrae superioris muscle complex and medial rectus muscle. Ptosis resolved dramatically after oral corticosteroid therapy. Isolated unilateral ptosis can be caused by various etiologies. Idiopathic orbital myositis should be considered in the differential diagnosis of ptosis.

키워드

Orbital myositis; Blepharoptosis; Oculomotor muscles

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