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英文誌(2004-)

Journal of Medical Ultrasonics

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1987 - Vol.14

Vol.14 No.02

Case Report(症例報告)

(0148 - 0152)

原発性肝扁平上皮癌の1例

A Case of Squamous Cell Carcinoma of the Liver

今井 英夫1, 堀口 祐爾1, 大漉 正夫1, 北野 徹1, 高川 寛子1, 中野 浩1, 中島 澄夫1, 伊藤 圓1, 宮川 秀一2

Hideo IMAI1, Yuji HORIGUCHI1, Masao OHSUKI1, Tohru KITANO1, Hiroko TAKAGAWA1, Hiroshi NAKANO1, Sumio NAKAJIMA1, Madoka ITOH1, Syuichi MIYAGAWA2

1藤田学園保健衛生大学消化器内科, 2藤田学園保健衛生大学外科

1Department of Gastroenterology, Fujita-Gakuen Health University School of Medicine, 2Department of Surgery, Fujita-Gakuen Health University School of Medicine

キーワード : Liver, Squamous cell carcinoma, Ultrasound

We experienced a very rare case of squamous cell carcinoma of the liver. A 66-year-old man, complaining of abdominal fullness and back pain, admitted to our hospital because of suspicion of the liver tumor. Sonography, performed on admission, demonstrated dilatation of intrahepatic bile ducts and extremely hyperechoic mass without halo and posterior echo attenuation. In addition, another direction of scanning revealed that the interior of the mass was uneven and less hyperechoic. Endoscopic retrograde cholangiography (ERC) delineated stenosis of the upper bile duct (2.5 cm in length) and direct communication between the bile duct and the tumor. Angiography, on the other hand, could reveal neither tumor vessel nor stain. Cholangiocellular carcinoma invading to the upper bile duct was suspected from these findings, and the patient operated on. But the tumor could not be resected because of invasion to the inferior vena cava. The patient died 30 days after the operation due to hepatic failure, and autopsy was carried out. Pathological findings showed the tumor consisted of pure squamous cell carcinoma without elements of adenocarcinoma. Compared sonogram with macroscopic findings of the tumor, echogenicity of the mass was considered to result from coarse or microcystic structure and keratosis.