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Detection of Metastatic Cervical Lymph Nodes in Recurrent Papillary Thyroid Carcinoma: Computed Tomography Versus Positron Emission Tomography-Computed Tomography

Cited 10 time in Web of Science Cited 10 time in Scopus
Authors
Lee, Dong Hoon; Kang, Won Jun; Seo, Hyung Suk; Kim, Eunhee; Son, Kyu-Ri; Na, Dong Gyu; Kim, Ji Hoon
Issue Date
2009-10
Publisher
LIPPINCOTT WILLIAMS & WILKINS
Citation
JOURNAL OF COMPUTER ASSISTED TOMOGRAPHY; Vol.33 5; 805-810
Keywords
papillary thyroid cancerlymph node metastasisCTPET-CT
Abstract
Objective: We sought to determine whether positron emission tomography-computed tomography (PET-CT) is more accurate than CT for detecting metastatic cervical lymph nodes in recurrent papillary thyroid carcinoma (PTC) and to determine the relationship between the CT features and PET-CT findings of metastatic nodes. Methods: Eleven consecutive patients with recurrent PTC underwent contrast-enhanced CT (CECT) and PET-CT before surgery. We retrospectively evaluated CECT and PET-CT images to determine the presence of metastatic nodes by level-by-level analysis. The CT findings of the PET-CT results that were positive and negative for metastatic nodes were compared. Results: Metastatic nodes were found at 28 (78%) of 36 neck levels surgically explored. The sensitivity, specificity, and accuracy of CECT for the detection of metastatic nodes were 75.0%, 87.5%, and 77.8%, respectively, and those of PET-CT were 35.7%, 87.5%, and 48.6%, respectively, by level-by-level analysis. No significant difference in the CT features was found between the PET-CT findings positive and negative for metastatic nodes (P > 0.05). Conclusions: Computed tomography is more sensitive and accurate than PET-CT for detecting metastatic lymph nodes in recurrent PTC. No significant relationship was found between the CT features and the PET-CT findings of the metastatic nodes.
ISSN
0363-8715
Language
English
URI
http://hdl.handle.net/10371/78113
DOI
https://doi.org/10.1097/RCT.0b013e31818fb3f1
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College of Medicine/School of Medicine (의과대학/대학원)Radiology (영상의학전공)Journal Papers (저널논문_영상의학전공)
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