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KMID : 0942820120110010062
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Journal of Korean Brain Tumor Society
2012 Volume.11 No. 1 p.62 ~ p.66
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Ectopic Pituitary Adenoma Occurring in the Sphenoid Sinus
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Kim Moon-Seok
Yoo Chang-Young
Park Chan-Soon
Lee Sang-Won
Yang Seung-Ho
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Abstract
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Ectopic pituitary adenomas are relatively rare tumors. We present a case of ectopic pituitary adenoma occurring in the sphenoid sinus. A 64-year-old woman with severe headache was referred to our hospital. She had normal pituitary functions. Magnetic resonance imaging (MRI) showed a tumor in the sphenoid sinus with an extension to clival regions. No connection between the normal pituitary gland and tumor was observed. Using an endonasal-transsphenoidal approach assisted with neuro-endoscopy, Total removal of the tumor was achieved. Pituitary dura was intact, although sellar floor was fragile and clival bone was destructed. Histopathological analysis was consistent with pituitary adenoma. As demonstrated by our case report, differential diagnosis of a tumor occurring in the sphenoid sinus could include the existence of an ectopic pituitary adenoma.
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KEYWORD
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Clivus, Ectopic, Pituitary adenoma, Sphenoid sinus
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