Document Detail


Towards a minimally invasive staging strategy in NSCLC: analysis of PET positive mediastinal lesions by EUS-FNA.
MedLine Citation:
PMID:  15013583     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
STUDY OBJECTIVE: To asses the value of endoscopic ultrasound guided fine needle aspiration (EUS-FNA) in the nodal staging of patients with (suspected) non-small cell lung cancer (NSCLC) and a (18)FDG positron emission tomography (PET) scan suspect for N2/N3 mediastinal lymph node (MLN) metastases. BACKGROUND: Due to the imperfect specificity of positron emission tomography, PET positive MLN should be biopsied in order to confirm or rule out metastasis. Currently, invasive surgical diagnostic techniques such as mediastinoscopy/-tomy are standard procedures to obtain MLN tissue. The minimally invasive technique of EUS-FNA has a high diagnostic accuracy (90-94%) for the analysis of MLN in patients with enlarged MLN on computed tomography of the chest (CT). DESIGN AND PATIENTS: Thirty-six patients with proven n=26 or suspected n=10 non-small cell lung cancer and a PET scan suspect for N2/N3 lymph node metastases underwent EUS-FNA. When EUS-FNA did not confirm metastasis and the PET lesion was within reach of mediastinoscopy, a mediastinoscopy was performed. EUS-FNA negative patients with PET lesions beyond the reach of mediastinoscopy or those with a negative mediastinoscopy were referred for surgical resection of the tumour and MLN sampling or dissection. RESULTS: EUS-FNA confirmed N2/N3 disease in 25 of the 36 patients (69%) and was highly suspicious in one. In the remaining 10 patients, one PET positive and one PET negative N2 metastasis was detected at thoracotomy. The PPV, NPV, sensitivity, specificity and accuracy of EUS-FNA in analysing PET positive MLN were 100%, 80%, 93%, 100% and 94%, respectively. No complications of EUS-FNA were recorded. CONCLUSIONS AND SIGNIFICANCE: EUS-FNA yields minimally invasive confirmation of MLN metastases in 69% of the patients with potential mediastinal involvement at FDG PET. The combination of PET and EUS-FNA might qualify as a minimally invasive staging strategy for NSCLC.
Authors:
J T Annema; O S Hoekstra; E F Smit; M Veseliç; M I M Versteegh; K F Rabe
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Publication Detail:
Type:  Clinical Trial; Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Lung cancer (Amsterdam, Netherlands)     Volume:  44     ISSN:  0169-5002     ISO Abbreviation:  Lung Cancer     Publication Date:  2004 Apr 
Date Detail:
Created Date:  2004-03-11     Completed Date:  2004-06-15     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  8800805     Medline TA:  Lung Cancer     Country:  Ireland    
Other Details:
Languages:  eng     Pagination:  53-60     Citation Subset:  IM    
Affiliation:
Department of Pulmonary Medicine, Leiden University Medical Center, PO Box 9600, Albinusdreef 2, 2300 RC Leiden, The Netherlands. j.t.annema@lumc.nl
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MeSH Terms
Descriptor/Qualifier:
Adult
Aged
Biopsy, Needle
Carcinoma, Non-Small-Cell Lung / classification,  pathology*
Endosonography / methods*
Female
Fluorodeoxyglucose F18 / diagnostic use
Humans
Lung Neoplasms / classification,  pathology*
Male
Middle Aged
Neoplasm Metastasis / diagnosis
Neoplasm Staging / methods*
Radiopharmaceuticals / diagnostic use
Sensitivity and Specificity
Tomography, Emission-Computed / methods*
Chemical
Reg. No./Substance:
0/Radiopharmaceuticals; 63503-12-8/Fluorodeoxyglucose F18

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