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KMID : 1812320220390030250
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Journal of Yeungnam Medical Science
2022 Volume.39 No. 3 p.250 ~ p.255
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Pedunculated mucinous cystic neoplasm of the liver: a case report
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Ha Sang-Woo
Hwang Shin
Han Hye-Jin
Han Song-Ie
Hong Seung-Mo
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Abstract
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In 2010, the World Health Organization classified mucin-producing bile duct tumors of the liver into two distinct entities; mucinous cystic neoplasm of the liver (MCN-L) and intraductal papillary mucinous neoplasm of the bile duct. We present the case of a patient with MCN-L having a uniquely pedunculated shape. A 32?year?old woman was referred to our institution with a diagnosis of biliary cystic neoplasm. She had undergone left salpingo-oophorectomy for ovarian cancer 15 years ago. Imaging studies showed an 8 cm-sized well defined, multiloculated cystic lesion suggesting a mucinous cystic neoplasm. The cystic mass was pedunculated at the liver capsule and pathologically diagnosed as MCN-L. The mass was resected with partial hepatectomy. The patient recovered uneventfully. She was discharged 7 days postoperatively. The patient has been doing well for 6 months after the operation. The patient will be followed up annually because of the favorable postresection prognosis of MCN-L.
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KEYWORD
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Cystic neoplasm, Intraductal papillary neoplasm, Mucins, Ovarian-like stroma, WHO classification
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