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英文誌(2004-)

Journal of Medical Ultrasonics

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1987 - Vol.14

Vol.14 No.06

Case Report(症例報告)

(0596 - 0599)

超音波検査法が術前診断に有用であった機能性甲状腺結節合併甲状腺癌の1例

A Case of Thyroid Carcinoma Associated with a Hot Nodule Diagnosed by Ultrasonography

小松 誠, 横沢 保, 張 裕泰, 宮川 信, 飯田 太

Makoto KOMATSU, Tamotsu YOKOZAWA, Yu-tai CHANG, Makoto MIYAKAWA, Futoshi IIDA

信州大学医学部第二外科

Second Department of Surgery, Shinshu University School of Medicine

キーワード : Hot nodule, Thyroid carcinoma, Ultrasonography, <SUP>123</SUP>I scintigraphy

A patient with thyroid carcinoma showing a hot nodule on scintigram was examined by ultrasonography and was revealed to have carcinoma co-existed with adenomatous goiter.
The patient was a 52-year-old female who admitted Shinshu University Hospital because of a mass of the anterior neck. Physical examination revealed a round and firm nodule measuring 1.5×1.3 cm at the upper pole of the right thyroid lobe. 123I scintigraphy revealed a hot nodule at the right lobe and a decrease of 123I accumulation at the left lobe (Fig. 1a). After the TSH stimulation test, the left lobe showed an increased accumulation (Fig. 1b). The ultrasonographic findings of the nodule at the right lobe were summarized as low echoes, nonuniform of the internal structure, variable forms and undetectable capsule. The nodule was diagnosed as being thyroid carcinoma. Histologic examination of the removed specimen revealed papillary carcinoma surrounded with adenomatous goiter. Comparison of the scintigraphic and histologic findings suggested that the hot nodule was contributed to adenomatous goiter rather than carcinoma.