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英文誌(2004-)

Journal of Medical Ultrasonics

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2000 - Vol.27

Vol.27 No.03

Original Article(原著)

(0201 - 0207)

超音波ドプラ法による膵原発腫瘍性病変の鑑別診断

The Differential Diagnosis of Primary Pancreatic Tumor by Color and Pulsed Doppler Echography

長瀬 通隆1, 古瀬 純司1, 丸 泰司1, 目良 清美1, 住 一1, 吉野 正曠1, 木下 平2, 長谷部 孝裕3, 落合 淳志3

Michitaka NAGASE1, Junji FURUSE1, Yasushi MARU1, Kiyomi MERA1, Hajime SUMI1, Masahiro YOSHINO1, Taira KINOSHITA2, Takahiro HASEBE3, Atsush OCHIAI3

1国立がんセンター東病院内科, 2国立がんセンター東病院外科, 3国立がんセンター東病院研究所臨床腫癌病理部

1Department of Internal Medicine, National Cancer Center Hospital East, 2Department of Surgery, National Cancer Center Hospital East, 3Department of Pathology, National Cancer Center East Research Institute

キーワード : Color Doppler ultrasonography, Differential diagnosis, Neuroendocrine tumor, Pancreatic cancer

We conducted color Doppler ultrasonographic examination (CDU) of 123 patients with pancreatic tumors to determine if CDU can be used in the differential diagnosis of these lesions. Results of pathologic diagnosis showed 92 of these tumors to be ductal carcinomas; 9, intraductal papillary adenomas or adenocarcinomas; 5, neuroendocrine tumors; 3, mucinous cystadenomas or cystadenocarcinomas; 3, serous cystadenomas; 3, solid cystic tumors; 2, adenosquamous carcinomas; 2, leiomyosarcomas; and 4, tumors forming chronic pancreatitis. Color images were detected in 5 (5%) of the 92 ductal carcinomas, 4 (80%) of the 5 neuroendocrine tumors, and all of the 2 adenosquamous carcinomas and 2 leiomyosarcomas. Wave forms by the fast Fourier transform (FFT) algorithm mode were pulsatile in 2 (40%) of the 5 ductal carcinomas with color images and pulsatile in 7 (78%) of the 9 non-ductal tumors with color images. The results suggest that examination of blood flow by CDU is useful for differentiating pancreatic tumors.