Journal of Nippon Medical School: Vol.68 No.6 page.516

Journal of Nippon Medical School

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ArticleTitle Liver Cell Adenoma in a 26-year-old Man

AuthorList Yasuhiro Mamada, Masahiko Onda, Takashi Tajiri, Koho Akimaru, Hiroshi Yoshida, Nobuhiko Taniai, Sho Mineta, Atsushi Hirakata and Yoichiro Hirose

Affiliation First Department of Surgery, Nippon Medical School

Language EN

Volume 68

Issue 6

Year 2001

Page 516-519

Received June 6, 2001

Accepted August 23, 2001

Keywords liver cell adenoma, hepatectomy, young male

Abstract This is a report of a case of liver cell adenoma (LCA) in a 26-year-old man with no prior history of liver disease or glycogen storage disease and no record of hormonal therapy. He was found to have an asymptomatic hepatic mass during a routine medical examination. The physical findings were unremarkable, and the results of routine laboratory studies were all within normal limits. Selective hepatic arteriography showed a hypervascular mass within the right lobe of the liver. Despite the radiological examination, the nature of the mass was unknown, and preoperative biopsy was unadvisable because of the risk of bleeding. Because of the difficulty of determining the malignancy of the hepatic tumor preoperatively, elective laparotomy for diagnosis and hepatectomy as treatment appeared to be the best available approach. Pathological examination of the surgical specimen resulted in a diagnosis of LCA. A review of the literature revealed that LCA unassociated with the use of oral contraceptives is rare.

Correspondence to Yasuhiro Mamada, First Department of Surgery, Nippon Medical School, 1-1-5 Sendagi, Bunkyo-ku, Tokyo 113-8603, Japan

ArticleTitle	Liver Cell Adenoma in a 26-year-old Man
AuthorList	Yasuhiro Mamada, Masahiko Onda, Takashi Tajiri, Koho Akimaru, Hiroshi Yoshida, Nobuhiko Taniai, Sho Mineta, Atsushi Hirakata and Yoichiro Hirose
Affiliation	First Department of Surgery, Nippon Medical School
Language	EN
Volume	68
Issue	6
Year	2001
Page	516-519
Received	June 6, 2001
Accepted	August 23, 2001
Keywords	liver cell adenoma, hepatectomy, young male
Abstract	This is a report of a case of liver cell adenoma (LCA) in a 26-year-old man with no prior history of liver disease or glycogen storage disease and no record of hormonal therapy. He was found to have an asymptomatic hepatic mass during a routine medical examination. The physical findings were unremarkable, and the results of routine laboratory studies were all within normal limits. Selective hepatic arteriography showed a hypervascular mass within the right lobe of the liver. Despite the radiological examination, the nature of the mass was unknown, and preoperative biopsy was unadvisable because of the risk of bleeding. Because of the difficulty of determining the malignancy of the hepatic tumor preoperatively, elective laparotomy for diagnosis and hepatectomy as treatment appeared to be the best available approach. Pathological examination of the surgical specimen resulted in a diagnosis of LCA. A review of the literature revealed that LCA unassociated with the use of oral contraceptives is rare.
Correspondence to	Yasuhiro Mamada, First Department of Surgery, Nippon Medical School, 1-1-5 Sendagi, Bunkyo-ku, Tokyo 113-8603, Japan