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  • Title: Diagnosis of thyroid mass due to intravenous digital subtraction angiography--does it play an important part in diagnosis of thyroid mass?
    Author: Minakuchi K, Takashima S, Nakatsuka H, Manabe T, Takada K, Nakamura K, Onoyama Y, Hamada N, Maekawa H, Sugano S.
    Journal: Osaka City Med J; 1989 Nov; 35(2):173-89. PubMed ID: 2697827.
    Abstract:
    33 patients with thyroid mass were studied by intravenous digital subtraction angiography (IV-DSA), thyroid scintigraphy (TS), ultrasonography (US), and computed tomography (CT). The detective rate of lesion by each diagnostic imaging was as follows: IV-DSA 71%, TS 70%, US 94%, and CT 76%. US was the most excellent and most sensitive diagnostic imaging of both benign and malignant lesions. As regards the thyroid cancer by IV-DSA, malignant findings were heterogeneity, an irregular contour, and an unclear contour of tumor stain. Specific diagnostic rate of each imagings was as follows: IV-DSA 88%, TS 100%, US 86%, and CT 75%. US was not so good imaging of a specific diagnosis for the thyroid mass. As regards the thyroid mass, influence of the common carotid artery and the internal jugular vein were investigated by the degree of compression of both vessels on IV-DSA. However IV-DSA could not reveal tumor invasion to these vessels. We learned present the limit of diagnosis of the thyroid mass due to IV-DSA, because IV-DSA was unable to reveal to us exactly information of both a sensitive and a specific diagnosis. We, however, think that IV-DSA is a useful diagnostic imaging as a mapping study which reveals a coronal image of a relationship between the thyroid mass and the common carotid artery and/or the internal jugular vein in surgery.
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