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KMID : 0361020150580090641
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Korean Journal of Otolaryngology - Head and Neck Surgery
2015 Volume.58 No. 9 p.641 ~ p.645
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Radiologically Unusual Presentation of Cholesterol Granuloma in the Sphenoid Sinus
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김다희:Kim Da-Hee
이승구:Lee Seung-Koo/김창훈:Kim Chang-Hoon/조형주:Cho Hyung-Ju
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Abstract
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Cholesterol granuloma is a histopathological diagnosis with features of cholesterol clefts, foreign body giant cells, and macrophages filled with hemosiderin. It is commonly found in the mastoid or petrous apex, but the involvement of paranasal sinuses is very rare. Radiologically, cholesterol granuloma show typical findings of hyperintense signals on both T1- and T2-weighted images on magnetic resonance imaging (MRI). We report two cases of cholesterol granuloma in the sphenoid sinus, which were first misinterpreted as mucoceles due to unusual MRI images.
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KEYWORD
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Cholesterol granuloma, Magnetic resonance imaging, Mucocele, Sphenoid sinus
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