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RISS 인기검색어
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- 저자 : 장회영 ( Hoe Young Chang ) (검색결과 2 건)
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장회영 ( Hoe Young Chang ),김명수 ( Myoung Soo Kim ),이채혁 ( Chae Heuck Lee ),강윤경 ( Yun Kyung Kang ) 대한뇌종양학회·대한신경종양학회·대한소아뇌종양학회 2009 대한뇌종양학회지 Vol.8 No.1
A 24-year-old woman presented with headache and subjective gait disturbance. Neurological examination was unremarkable. Brain magnetic resonance imaging demonstrated a posterior fossa cyst and hydrocephalus. Surgical removal of the cyst was done. The cyst had the unique histological feature of a single-layered cuboidal epithelial lining. Detailed immunohistochemical study supported a neuroectodermal origin. The differential diagnosis and the histogenesis of epithelial cysts in the central nervous system are discussed.
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임상 : 우연히 발견된 송과체 낭종의 자기공명영상 소견
정종락 ( Jong Rak Jung ),장회영 ( Hoe Young Chang ),이기재 ( Ghi Jai Lee ),김명수 ( Myoung Soo Kim ) 대한뇌종양학회 2011 대한뇌종양학회지 Vol.10 No.1
Objective: We performed this study to determine the incidence and magnetic resonance imaging (MRI) characteristics of pineal cysts. Material and Methods: We analyzed 1,168 patients with MR imaging between January 1, 2009 and May 13, 2010. MR imaging signal, enhancement patterns, size of the pineal cyst and amount of deformity of the tectum were analyzed. Result: Overall, 48 patients (4.1%) with pineal cyst were found in the 1168 patients evaluated. The most dominant signal of T2-weighted image, T1-weighted image, and fluid-attenuated inversion-recovery images of the pineal cyst were isointense compared with cerebrospinal fluid (CSF) in 46 patients (46/48), isointense compared with CSF in 30 patients (30/48), and hyperintensity compared with parenchyma in twenty one patients (21/48). Cyst enhancement pattern were slight cyst wall enhancement in twelve patients, and strong cyst wall enhancement in twenty four patients. Tectal deformity was ob-served as follow ; no contact between the cyst and the tectum in three patients, the cyst touching the tectum in twenty six, the cyst mildly deforming the tectum but not narrowing the aqueduct in nine, and the cyst moderately deforming the tec-tum but not narrowing the aqueduct in three patients. The diameter of the antero-posterior direction was 8.39±2.59 mm. Conclusion: The frequency of pineal cyst evaluated with MR images was 4.1%. The MR signal and enhancement of pi-neal cyst were constant in most cases. But some cases showed different signal. This variability may make them indistin-guishable from other pineal region tumors.
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