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Computed tomography versus ultrasound/fine needle aspiration biopsy in differential diagnosis of thyroid nodules: a retrospective analysis / Tomografia computadorizada versus ultrassonografia/biópsia por aspiração com agulha fina no diagnóstico diferencial de nódulos tireoidianos: uma análise retrospectiva
Gongan CountyTao, Wang; Qingjun, Zhu; Gongan CountyWei, Zheng; Gongan CountyFang, Zhou; Lei, Zhou; Yuanyuan, Ni; Kefu, Hu.
  • Gongan CountyTao, Wang; Gongan County Peoples Hospital. Department of Ultrasound. Gongan CountyTao, Wang. Gongan County. CN
  • Qingjun, Zhu; The Peoples Hospital of Jinshi. Department of Ultrasound. Jinshi. CN
  • Gongan CountyWei, Zheng; Gongan County Peoples Hospital. Department of Ultrasound. Gongan CountyWei, Zheng. Gongan County. CN
  • Gongan CountyFang, Zhou; Gongan County Peoples Hospital. Department of Ultrasound. Gongan CountyFang, Zhou. Gongan County. CN
  • Lei, Zhou; Gongan County Peoples Hospital. Department of Medical Cosmetology. Gongan County. CN
  • Yuanyuan, Ni; Gongan County Peoples Hospital. Department of Emergency. Gongan County. CN
  • Kefu, Hu; Gongan County Peoples Hospital. Department of Medical Administration. Gongan County. CN
Braz. j. otorhinolaryngol. (Impr.) ; 87(4): 402-409, July-Aug. 2021. tab, graf
Article in English | LILACS | ID: biblio-1285714
ABSTRACT
Abstract Introduction Ultrasound sonography provides a quick method for determining which nodule to sample for fine needle aspiration biopsy in thyroid nodules. On the other hand, the computed tomography examination is not restricted by echo attenuation and distinguishes between benign and malignant nodules. Objective To compare computed tomography examinations against ultrasound/fine needle aspiration biopsy in the differential diagnosis of thyroid nodules. Methods Data regarding computed tomography examinations, sonographic finding following fine needle aspiration biopsy, and tumor histology of 953 nodules from 698 patients who underwent thyroidectomy were collected and analyzed. The beneficial score for detection of the malignant tumor for each adopted modality was evaluated. Results Ultrasound images did not show a well-circumscribed solid mass in 89 nodules, and ultimately did not detect nodules in fine needle aspiration biopsies (false positive non-malignant nodules). Ultrasound images showed parenchymatous disease (false positive malignant nodules) in several nodules. Computed tomography examinations demonstrated higher difficulty in detection of malignant nodules of 1.0-2.0 cm size than ultrasound examination following fine needle aspiration biopsies; compared to tumor histological data, computed tomography examinations had a sensitivity of 0.879. Conclusion Computed tomography examinations are a more reliable method for differential diagnosis of thyroid nodules than ultrasound examinations followed by fine needle aspiration biopsy. Level of Evidence III.
RESUMO
Resumo Introdução A ultrassonografia é um método rápido para determinar de qual nódulo se deve coletar uma amostra para biópsia por aspiração com agulha fina. Por outro lado, o exame de tomografia computadorizada não é restringido pela atenuação do eco e distingue entre nódulos benignos e malignos. Objetivo Comparar exames tomográficos versus biópsia por ultrassonografia/aspiração por agulha fina no diagnóstico diferencial de nódulos tireoidianos. Método Dados sobre exames tomográficos, achados ultrassonográficos após biópsia por aspiração com agulha fina e histologia tumoral de 953 nódulos de 698 pacientes submetidos à tireoidectomia foram coletados e analisados. O escore de benefício para detecção do tumor maligno para cada modalidade adotada foi avaliado. Resultados As imagens de ultrassom não mostraram uma lesão sólida bem circunscrita em 89 nódulos; e na análise final não foram detectados nódulos nas biópsias por aspiração com agulha fina (nódulos não malignos falsos positivos). As imagens ultrassonográficas mostraram doença parenquimatosa (nódulos malignos falsos positivos) em vários nódulos. Os exames de tomografia computadorizada apresentaram grandes dificuldades na detecção de nódulos malignos de 1,0-2,0 cm de tamanho em comparação com o exame de ultrassonografia após biópsias por aspiração com agulha fina; comparados aos dados histológicos do tumor, os exames de tomografia computadorizada apresentaram sensibilidade de 0,879. Conclusão Os exames de tomografia computadorizada são um método mais confiável para o diagnóstico diferencial de nódulos tireoidianos do que os exames de ultrassonografia, seguidos por biópsia por aspiração com agulha fina.
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Full text: Available Index: LILACS (Americas) Main subject: Thyroid Neoplasms / Thyroid Nodule Type of study: Diagnostic study / Observational study Limits: Humans Language: English Journal: Braz. j. otorhinolaryngol. (Impr.) Journal subject: Otolaryngology Year: 2021 Type: Article Affiliation country: China Institution/Affiliation country: Gongan County Peoples Hospital/CN / The Peoples Hospital of Jinshi/CN

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Full text: Available Index: LILACS (Americas) Main subject: Thyroid Neoplasms / Thyroid Nodule Type of study: Diagnostic study / Observational study Limits: Humans Language: English Journal: Braz. j. otorhinolaryngol. (Impr.) Journal subject: Otolaryngology Year: 2021 Type: Article Affiliation country: China Institution/Affiliation country: Gongan County Peoples Hospital/CN / The Peoples Hospital of Jinshi/CN