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文献概要

今月の特集2 良性腫瘍の病理と遺伝子異常

肝細胞腺腫

著者: 佐々木素子1

所属機関: 1金沢大学医薬保健研究域医学系人体病理学

ページ範囲:P.726 - P.733

Point

●肝細胞腺腫(HCA)は画像検査上,多血性肝細胞性結節として肝細胞癌(HCC)や限局性結節性過形成(FNH)などとの鑑別が重要である.

●HCAは,遺伝子型,表現型によって,主に6つの亜型に分類され,それぞれ異なる臨床病理学的特徴を示す.

●悪性転化リスクが高いとされるb-HCA/b-IHCAの正確な亜型診断とHCCとの鑑別は特に重要である.

●免疫染色を用いたHCAの亜型診断は有用で,普及している.診断する際には,染色の精度管理や染色結果の解釈に十分に注意する.

参考文献

1)Bioulac-Sage P, Kakar S, Nault JC:Hepatocellular adenoma. In: WHO Classification of Tumours: Digestive System Tumours, 5th ed, IARC Press, Lyon, pp224-228, 2019
2)Nault JC, Couchy G, Balabaud C, et al:Molecular Classification of Hepatocellular Adenoma Associates With Risk Factors, Bleeding, and Malignant Transformation. Gastroenterology 152:880-894.e6,2017
3)Bioulac-Sage P, Gouw ASH, Balabaud C, et al:Hepatocellular Adenoma: What We Know, What We Do Not Know, and Why It Matters. Histopathology, 2021, in press
4)佐々木素子,中沼安二:肝細胞腺腫の最新事情 WHO分類2019に基づく分類と考え方.検と技 49:12-15,2021
5)Sasaki M, Yoneda N, Kitamura S, et al:Characterization of hepatocellular adenoma based on the phenotypic classification: The Kanazawa experience. Hepatol Res 41:982-988,2011
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11)Sempoux C, Gouw ASH, Dunet V, et al:Predictive Patterns of Glutamine Synthetase Immunohistochemical Staining in CTNNB1-mutated Hepatocellular Adenomas. Am J Surg Pathol 45:477-487,2021
12)Yoneda N, Matsui O, Kitao A, et al:Benign Hepatocellular Nodules: Hepatobiliary Phase of Gadoxetic Acid-enhanced MR Imaging Based on Molecular Background. Radiographics 36:2010-2027,2016
13)Farges O, Ferreira N, Dokmak S, et al:Changing trends in malignant transformation of hepatocellular adenoma. Gut 60:85-89,2011
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掲載雑誌情報

出版社:株式会社医学書院

電子版ISSN:1882-1367

印刷版ISSN:0485-1420

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