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- Title
Pigmented hepatocellular adenoma: report of a case.
- Authors
Masuda, Toshiro; Beppu, Toru; Ikeda, Koei; Ishiko, Takatoshi; Chikamoto, Akira; Hayashi, Hiromitsu; Okabe, Hirohisa; Otao, Ryu; Takamori, Hiroshi; Namimoto, Tomohiro; Iyama, Ken-ichi; Baba, Hideo
- Abstract
Hepatocellular adenoma is a rare, benign neoplasm that is related to the use of contraceptives or androgenic-anabolic steroids. A 51-year-old man with no history of steroid use was found to have a liver tumor. Plain computed tomography showed a high-density tumor that was enhanced in the arterial phase, and the enhancement was prolonged in the delayed phase. Magnetic resonance imaging showed that the tumor was hyperintense on in- and opposed-phase T1-weighted gradient recalled echo images and hyperintense on T1-weighted spin echo images. A partial hepatic resection was performed. A histological examination revealed normal hepatocyte-like tumor cells, composed of abundant dark brown granules of Dubin-Johnson-like pigment, which stained positively for Masson-Fontana stain. The tumor was diagnosed to be a very rare hepatocellular adenoma with the deposition of Dubin-Johnson-like pigment.
- Publication
Surgery today, 2011, Vol 41, Issue 6, p881
- ISSN
1436-2813
- Publication type
Journal Article
- DOI
10.1007/s00595-010-4344-7