The role of intraoperative frozen sections for thyroid nodules

Revista Brasileira de Otorrinolaringologia

Irmandade da Santa Casa da Misericórdia, Santos¹  Rocha, Rafael Pinto da¹  Fundação Lusíada, Santos¹  Dedivitis, Rogério Aparecido¹  Couto Netto, Sergio Dias do¹  Almeida, João Paulo Alves de¹  Hospital Ana Costa, Santos¹  Pfuetzenreiter Jr, Elio G.¹ 

关键词: fna;    thyroid neoplasms;    frozen sections;    sensitivity and specificity;    thyroidectomy.;   

DOI  :  10.1590/S0034-72992009000200016

学科分类：医学（综合）

来源: Associacao Brasileira de Otorrinolaringologia e Cirurgia Cervicofacial

【 摘 要 】

The role of intraoperative frozen sections (FS) during thyroidectomy is controversial. AIM: to evaluate the role of FS for thyroid nodules management. PATIENTS AND METHODS: All patients who had thyroid surgery for nodular disease and previous USG-guided FNAB in 2006 were prospectively analyzed. They underwent intraoperative FS evaluation, and the biopsy material was classified as benign, malignant or follicular neoplasm. FNAB, FS and paraffin sections were compared. RESULTS: Under the FS, 54% of the nodules were benign, 30% were follicular neoplasms, and 16% were malignant. All cases considered benign and malignant under the FS evaluation were confirmed through the histological "paraffin" analysis. Since it is not considered a definitive indication for total thyroidectomy, if the follicular neoplasms were classified as "benign" under the FS, their sensitivity, specificity, positive and negative predictive values and global diagnostic accuracy were 69%, 100%, 100%, 91,5% e 77%, respectively. Among the 42 cases classified as "follicular neoplasm" under the FNAB, in 1 case the FS conclusion was for papillary carcinoma, in 3 cases as benign (all confirmed through the "paraffin"); and 38 cases continued as "follicular pattern", being 29 follicular adenomas and 9 carcinomas through the "paraffin". CONCLUSION: The FS is only indicated when the FNAB reports "follicular neoplasm".

【 授权许可】

Unknown