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KMID : 0360220100510040601
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Journal of the Korean Ophthalmological Society
2010 Volume.51 No. 4 p.601 ~ p.605
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Case of Conjunctival Dermoid Cyst of the Orbit
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Lee Seung-Hee
Kim Keun-Hae
Kim Sook-Young
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Abstract
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Purpose: To report a case of primary conjunctival dermoid of the superonasal orbit.
Case Summary: A 41-year-old man complained of swelling of the left lower eyelid and left periocular pain for a week. Examination revealed 3 mm of proptosis with superotemporal displacement of the left eye. Orbital CT revealed a 32×27×33-mm well-defined giant cyst with a fat-fluid level in the superonasal aspect of the left orbit. Orbital MRI showed bone remodeling around the cyst, consistent with a dermoid cyst. The cyst was approached via lateral orbitotomy and transcaruncular incision but was ruptured just prior to the end of the dissection and was totally excised using a cryoprobe to freeze the ruptured site. Upon histopathological examination, the cyst was misdiagnosed as a conjunctival cyst because there was no dermal appendage but was rediagnosed as a conjunctival dermoid cyst after the tissue sample was examined more thoroughly. After surgery, the patient presented with diplopia due to esodeviation and was prescribed prismatic lenses.
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KEYWORD
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Conjunctival cyst, Conjunctival dermoid, Dermoid cyst, Orbital cyst
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