CASE REPORT
A Resected Case of Focal Nodular Hyperplasia
Shinya Otsuka, Ryouhei Watanabe, Masato Funaki, Shigeru Yunoki, Kouichi Nishihara, Katsusuke Omori, Makoto Kitamoto, Nobuhiro Miyata, Yuji Ohtsuki*
Department of Surgery, Matsuyama Shimin Hospital
*Department of Pathology, Kochi Medical School
We report a case of resected focal nodular hyperplasia (FNH), a tumor-like lesion of the liver. The patient was a 24-year-old woman. Ultrasonography OS) of the abdomen revealed a mass in the liver. US revealed a hypoechoic lesion in the lateral segment, and dynamic computd tomography showed a high density area in the arterial phase and a low density area in the portal phase. Angiography of the liver showed a hypervascular area accompanied by radially running abnormal vessels from the center of the tumor. Therefore FNH was suspected, but hepatocellular carcinoma could not be denied, and lobectomy of the left lobe of the liver was performed in September 1990. A diagnosis of FHN was finally made on the basis of histopathological examination combined with clinical data. FNH has been considered relatively rare, but reported cases have increased recently. We collected data on 30 cases including ours recently published in Japan and focused especially on the preoperative diagnosis.
Key words
focal nodular hyperplasia, hepatectomy
Jpn J Gastroenterol Surg 25: 1282-1286, 1992
Reprint requests
Shinya Otsuka Department of Surgery, Matsuyama Shimin Hospital
2-6-5 Ohtemachi, Matsuyama, 790 JAPAN
Accepted
January 8, 1992
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