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Detection of metastatic cervical lymph nodes in recurrent papillary thyroid carcinoma: computed tomography versus positron emission tomography-computed tomography.

Authors
 Dong Hoon Lee  ;  Won Jun Kang  ;  Hyung Suk Seo  ;  Eunhee Kim  ;  Ji Hoon Kim  ;  Kyu-Ri Son  ;  Dong Gyu Na 
Citation
 JOURNAL OF COMPUTER ASSISTED TOMOGRAPHY, Vol.33(5) : 805-810, 2009 
Journal Title
 JOURNAL OF COMPUTER ASSISTED TOMOGRAPHY 
ISSN
 0363-8715 
Issue Date
2009
MeSH
Carcinoma, Papillary/diagnosis* ; Carcinoma, Papillary/secondary* ; Female ; Humans ; Lymph Nodes/diagnostic imaging* ; Lymphatic Metastasis ; Male ; Middle Aged ; Neck/diagnostic imaging ; Neoplasm Recurrence, Local/diagnostic imaging* ; Positron-Emission Tomography ; Predictive Value of Tests ; Retrospective Studies ; Sensitivity and Specificity ; Thyroid Neoplasms/diagnosis* ; Tomography, X-Ray Computed
Keywords
papillary thyroid cancer ; lymph node metastasis ; CT ; PET-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
Full Text
http://ovidsp.ovid.com/ovidweb.cgi?T=JS&CSC=Y&NEWS=N&PAGE=fulltext&AN=00004728-200909000-00030&LSLINK=80&D=ovft
DOI
10.1097/RCT.0b013e31818fb3f1
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Nuclear Medicine (핵의학교실) > 1. Journal Papers
Yonsei Authors
Kang, Won Jun(강원준) ORCID logo https://orcid.org/0000-0002-2107-8160
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/104619
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