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Contrast-enhanced MRI of intrasellar arachnoid cysts: relationship between the pituitary gland and cyst |
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| Authors: | M. Nomura O. Tachibana M. Hasegawa Y. Kohda M. Nakada T. Yamashima J. Yamashita M. Suzuki |
| Affiliation: | (1) Department of Neurosurgery, National Cardiovascular Center, 5-7-1 Fujishirodai, 565 Suita, Osaka, Japan;(2) Department of Neurosurgery, Kanazawa, University School of Medicine, Kanazawa, Japan;(3) Department of Radiology, Kanazawa, University School of Medicine, Kanazawa, Japan |
| Abstract: | We recently encountered two large intrasellar arachnoid cysts extending to the suprasellar region. The intensity of the cyst contents was identical to that of the cerebrospinal fluid on both T1- and T2-weighted MRI. On contrast-enhanced MRI, the pituitary gland was compressed posteroinferiorly and flattened in the sella turcica. In this report of rare intrasellar arachnoid cysts the discussion is focused on dislocation of the pituitary gland. |
| Keywords: | Arachnoid cyst, intrasellar Pituitary gland Magnetic resonance imaging |
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