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산전 진단된 지주막 낭종 2예

Two cases of arachnoid cyst of prenatal diagnosis

대한산부인과학회지 2007년 50권 7호 p.1021 ~ 1026
김선임 ( Kim Seon-Im ) - 경상대학교 의과대학 산부인과학교실

박지권 ( Park Ji-Kwon ) - 경상대학교 의과대학 산부인과학교실
백원영 ( Paik Won-Young ) - 경상대학교 의과대학 산부인과학교실
정소영 ( Joung So-Young ) - 경상대학교 의과대학 산부인과학교실
황현주 ( Hwang Hyun-Ju ) - 경상대학교 의과대학 산부인과학교실
신정규 ( Shin Jeong-Kyu ) - 경상대학교 의과대학 산부인과학교실
이순애 ( Lee Soon-Ae ) - 경상대학교 의과대학 산부인과학교실
이종학 ( Lee Jong-Hak ) - 경상대학교 의과대학 산부인과학교실

Abstract


Intracranial arachnoid cysts are collections of clear fluid within the arachnoid membrane because of nondisjunction or duplication of the structure. They are rare, represent only 1% of intracranial masses in newborns. Etiologically, they are thought to be due to maldevelopment of the arachnoid or secondary to trauma or infection. The arachnoid cyst by ultrasonogram shows characteristic well capsulated homogeneous hypoechoic cyst. Many arachnoid cysts remain asymptomatic, however, and become symptomatic later in life to cyst growth-resulting in a compression, displacement and irritation of the surrounding structures. So, early diagnosis and treatment of these cysts are important. We present two cases of arachnoid cysts diagnosed in utero by ultrasonogram. In one case, postnatal MRI was checked and confirmed arachnoid cyst with choroid plexus cyst. And other case, postnatal brain USG was checked and diagnosed arachnoid cyst. Both children are asymptomatic, and presents normal development until now. But latter children underwent surgical treatment due to persistent huge cyst and hydrocephalus.

키워드

지주막 낭종;산전 진단;초음파
arachnoid cyst;prenatal diagnosis;Ultrasonogram
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