Qualitative evaluation of thyroid nodules with gray-scale contrast-enhanced ultrasound / 浙江大学学报·医学版
Journal of Zhejiang University. Medical sciences
;
(6): 515-518, 2008.
Artigo
em Chinês
| WPRIM
| ID: wpr-310420
ABSTRACT
<p><b>OBJECTIVE</b>To assess the feasibility of gray-scale contrast-enhanced ultrasound for characterizing thyroid nodules.</p><p><b>METHODS</b>Forty thyroid nodules from 35 patients were studied both by conventional techniques and gray-scale contrast-enhanced ultrasound. Of the nodules examined, 15 were benign and 25 malignant. The enhancement of echogenicity was evaluated. The diagnosis was confirmed by surgical biopsy and histopathological examination.</p><p><b>RESULTS</b>The study using gray-scale contrast-enhanced ultrasound showed absent contrast-enhancement in 9 of 25 malignant nodules and 1 of 11 benign solitary nodules; intense enhancement in 6 of 25 malignant nodules, with perfusion defect in the center; diffuse faint enhancement in 10 of 25 malignant nodules and 10 of 11 benign solitary nodules. Benign cystic nodules all showed absent enhancement in the cystic components and 2 of 4 intense enhancement in the solitary components.</p><p><b>CONCLUSIONS</b>Gray-scale contrast-enhanced ultrasonography imaging may be a useful tool for evaluating the perfusion of thyroid nodules. Solitary nodules showing absent enhancement or intense enhancement with absent enhancement in the nodular center may suggest malignant.</p>
Texto completo:
DisponíveL
Índice:
WPRIM (Pacífico Ocidental)
Assunto principal:
Patologia
/
Neoplasias da Glândula Tireoide
/
Diagnóstico por Imagem
/
Aumento da Imagem
/
Ultrassonografia
/
Nódulo da Glândula Tireoide
/
Meios de Contraste
/
Diagnóstico Diferencial
/
Métodos
Tipo de estudo:
Estudo diagnóstico
/
Pesquisa qualitativa
Limite:
Feminino
/
Humanos
/
Masculino
Idioma:
Chinês
Revista:
Journal of Zhejiang University. Medical sciences
Ano de publicação:
2008
Tipo de documento:
Artigo
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