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Lymphocytic thyroiditis on fine-needle aspiration biopsy of focal thyroid nodules: approach to management

Authors
 Hee Jung Moon  ;  Eun-Kyung Kim  ;  Min Jung Kim  ;  Jin Young Kwak 
Citation
 AMERICAN JOURNAL OF ROENTGENOLOGY, Vol.193(4) : 345-349, 2009 
Journal Title
AMERICAN JOURNAL OF ROENTGENOLOGY
ISSN
 0361-803X 
Issue Date
2009
MeSH
Adult ; Aged ; Biopsy, Fine-Needle/methods* ; Female ; Humans ; Male ; Middle Aged ; Reproducibility of Results ; Sensitivity and Specificity ; Surgery, Computer-Assisted/methods ; Thyroid Nodule/complications* ; Thyroid Nodule/diagnostic imaging* ; Thyroid Nodule/pathology* ; Thyroiditis, Autoimmune/complications* ; Thyroiditis, Autoimmune/diagnostic imaging* ; Thyroiditis, Autoimmune/pathology* ; Ultrasonography, Interventional/methods ; Young Adult
Keywords
fine-needle aspiration biopsy ; lymphocytic thyroiditis ; papillary thyroid carcinoma ; sonography
Abstract
OBJECTIVE: The purpose of this study was to determine the optimal management strategy for thyroid nodules diagnosed as lymphocytic thyroiditis on sonography-guided fine-needle aspiration biopsy (FNAB) of focal thyroid nodules.

MATERIALS AND METHODS: One hundred eleven patients were included in this study: among 45 patients with follow-up sonography-guided FNAB, 21 underwent follow-up sonography more than 12 months after the initial sonography and 24 were followed up with sonography and sonography-guided FNAB within 12 months. Among 45 patients with follow-up sonography-guided FNAB, seven underwent thyroid surgery. Follow-up sonography results and cytopathologic results were used as reference standards.

RESULTS: There were no malignancies among 71 probably benign lesions on initial sonography. In contrast, of the 40 lesions that were suspicious malignant on sonography, eight proved to be papillary thyroid carcinoma on follow-up sonography-guided FNAB and histopathology.

CONCLUSION: Lymphocytic thyroiditis can show variable features on sonography. When a nodule shows probably benign features on sonography, follow-up with sonography is sufficient. However, if a nodule shows suspicious malignant features on sonography and shows no change or increase in size on follow-up examination, follow-up sonography-guided FNAB should be performed.
Full Text
http://www.ajronline.org/doi/abs/10.2214/AJR.09.2413
DOI
10.2214/AJR.09.2413
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Radiology (영상의학교실) > 1. Journal Papers
Yonsei Authors
Kwak, Jin Young(곽진영) ORCID logo https://orcid.org/0000-0002-6212-1495
Kim, Min Jung(김민정) ORCID logo https://orcid.org/0000-0003-4949-1237
Kim, Eun-Kyung(김은경) ORCID logo https://orcid.org/0000-0002-3368-5013
Moon, Hee Jung(문희정) ORCID logo https://orcid.org/0000-0002-5643-5885
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/104461
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