Primary retroperitoneal cyst in pregnancy: A case report based on immunohistochemical analysis and literature review
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ID | 51388 |
本文ファイル | |
著者 |
SAGAWA, Maiko
FUJIWARA, Hisaya
URABE, Rie
NISHIDA, Toshihiro
KATSUBE, Yasuhiro
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キーワード | retroperitoneal cyst
histogenesis
immunohistochemical analysis
mucinous metaplasia
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抄録(英) | Primary retroperitoneal cystic lesions (PRCLs) are extremely rare, and their histogenesis and clinical evolution remain unclear. Here, we report the case of a 38-years-old primigravida who was referred to our hospital for the delivery. Routine ultrasonographic examination at 36 weeks of gestation revealed the presence of a cystic mass close to the right side of the uterus. One month after the childbirth, we performed the surgery. The cystic mass was present on the right side of the retroperitoneal cavity. We successfully extracted the cyst without rupture. The cyst was 12 × 6 × 3 cm, unilocular, exhibited a thin wall, and contained mucinous liquid. Histological examination revealed that the lining of the cyst comprised two types of adjacent cells. The flat low cuboidal cells were positive for calretinin, cytokeratin (CK) 5/6, CK7, cancer antigen 125 (CA125), and D2-40, all of which are mesothelial markers. The tall columnar cells were also positive for the mesothelial marker CK7. However, the flat low cuboidal cells were negative for mucinous cell makers, while tall columnar cells were positive for these markers. The tall columnar cells contained mucin but were not positive for gastrointestinal epithelial-specific secreted mucin makers. This finding directly supports our hypothesis that the retroperitoneal cysts emerged from the mesothelium.
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掲載誌名 |
Hiroshima Journal of Medical Sciences
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巻 | 70巻
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号 | 1号
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開始ページ | 17
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終了ページ | 21
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出版年月日 | 2021-06-30
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出版者 | Hiroshima University Medical Press
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ISSN | 0018-2052
2433-7668
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NCID | |
出版者DOI | |
言語 |
英語
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NII資源タイプ |
紀要論文
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広大資料タイプ |
学内刊行物(紀要等)
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DCMIタイプ | text
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フォーマット | application/pdf
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著者版フラグ | publisher
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権利情報 | Copyright (c) 2021 Hiroshima University Medical Press
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関連情報URL | |
部局名 |
医系科学研究科
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他の一覧 |