Journal of Yeungnam Medical Science

Yeungnam University College of Medicine, Yeungnam University Institute Medical Science (영남대 의대 학술지 편집위원회)
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Pedunculated mucinous cystic neoplasm of the liver: a case report

  • Ha, Sang-Woo (Department of Surgery, Asan Medical Center, University of Ulsan College of Medicine) ;
  • Hwang, Shin (Department of Surgery, Asan Medical Center, University of Ulsan College of Medicine) ;
  • Han, Hyejin (Department of Surgery, Asan Medical Center, University of Ulsan College of Medicine) ;
  • Han, Song Ie (Department of Surgery, Asan Medical Center, University of Ulsan College of Medicine) ;
  • Hong, Seung-Mo (Department of Pathology, Asan Medical Center, University of Ulsan College of Medicine)
  • Received : 2021.06.17
  • Accepted : 2021.07.03
  • Published : 2022.07.31
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Abstract

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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References

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