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英文誌(2004-)

Journal of Medical Ultrasonics

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1996 - Vol.23

Vol.23 No.06

Original Article(原著)

(0441 - 0446)

超音波法によるびまん性甲状腺腫の鑑別 −ドプラ法の有用性について−

Differential Diagnosis of Goiter With Doppler Ultrasonography

穂積 康夫1, 山中 桓夫2, 葛谷 信明2, 島貫 公義1, 秋池 功3, 井上 裕美子3, 宮田 道夫1

Yasuo HOZUMI1, Takeo YAMANAKA2, Nobuaki KUZUYA2, Kimiyoshi SHIMANUKI1, Isao AKIIKE3, Yumiko INOUE3, Michio MIYATA1

1自治医科大学大宮医療センター外科, 2自治医科大学大宮医療センター内科, 3自治医科大学大宮医療センター生理機能超音波室

1Departments of Surgery, Omiya Medical Center, Jichi Medical School, 2Departments of Internal Medicine, Omiya Medical Center, Jichi Medical School, 3Section of Ultrasound, Omiya Medical Center, Jichi Medical School

キーワード : Color flow mapping, Diffuse goiter, Pulsed Doppler, Superior thyroid artery

In order to make precise differential diagnosis of diffuse goiter without nodular lesions (Graves' disease and chronic thyroiditis), we used conventional and Doppler ultrasonography (Toshiba Model SSA-270 A, with a 7.5 MHz transducer) to examine 173 patients with diffuse goiter. Images showing markedly increased intrathyroidal blood flow were obtained in 72% of cases of active Graves' disease. Peak velocity in the superior thyroid arteries of patients with active hyperthyroidism was significantly greater than that in patients with hyperthyroidism in the euthyroid state and all cases of thyroiditis. We conclude that, despite its simplicity, color Doppler ultrasonography is useful in the differential diagnosis of diffuse goiter. Using it in combination with the measurement of velocity in the superior thyroid artery makes diagnosis even easier.