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KMID : 1035520210090020070
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Brain Tumor Research and Treatment : BTRT
2021 Volume.9 No. 2 p.70 ~ p.74
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A Rare Case of Pituicytoma Presenting Cystic Formation
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Ha Young-Soo
Lee Soo-Eon
Park Sung-Choon
Ahn Sung-Yeol
Jung Yoon-Yang
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Abstract
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Pituicytoma is a rare solid benign tumor of the sellar and/or suprasellar region originating from the pituicytes of the neurohypophysis or infundibulum, which is not differentiated from a pituitary adenoma that is diagnosed mostly in the sellar and/or suprasellar region. In addition, cystic tumors are very rare and have not been reported due to their solid and hypervascular natures. A 33-year-old man presented with a chronic headache which exacerbated recently. MRI was performed and revealed a cystic tumor in the sellar and suprasellar regions with a small parenchymal island in the cyst compressing the optic chiasm. The endoscopic endonasal transsphenoidal approach was used to remove the tumor. Immunohistochemical staining was positive for thyroid transcription factor 1, S-100 protein, and glial fibrillary acidic protein. The pituicytoma was diagnosed based on histologic findings. The authors review herein the literature on clinical presentation, diagnosis, surgical management, and outcome.
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KEYWORD
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Brain neoplasm, Cyst, Immunohistochemistry
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