Incidence and relevance of clinically indeterminate nonregional lymph nodes in the treatment of oesophageal cancer.
Journal
Nuclear medicine communications
ISSN: 1473-5628
Titre abrégé: Nucl Med Commun
Pays: England
ID NLM: 8201017
Informations de publication
Date de publication:
01 Nov 2021
01 Nov 2021
Historique:
pubmed:
5
8
2021
medline:
29
1
2022
entrez:
4
8
2021
Statut:
ppublish
Résumé
Metastatic involvement of nonregional supraclavicular or superior mediastinal lymph nodes in distal oesophageal cancer is rare but has important implications for prognosis and management. The management of nonregional lymph nodes which appear indeterminate on CT and FDG PET-CT (subcentimeter nodes or those with preserved normal morphology, but increased FDG avidity) can present a diagnostic dilemma. This study investigates the incidence, work-up and clinical significance of nonregional clinically indeterminate FDG avid lymph nodes. A single-centre retrospective review of all FDG PET-CT scans conducted over 5 years was conducted. Patients with mid- or distal oesophageal cancer with nonregional FDG avid nodes were identified. Subsequent work-up, management and outcomes were retrieved from electronic health records. Reports for 1189 PET-CT scans were reviewed. A total of 79 patients met the inclusion criteria. Of these, 18 (23%) were deemed to have disease and performance status potentially amenable to radical surgery and underwent further assessment. The indeterminate lymph nodes were successfully sampled via endobronchial ultrasound (EBUS) or ultrasound-guided fine-needle aspiration (US-FNA) in 100% of cases. 15/18 (83.3%) of samples were benign and proceeded to surgery. Outcomes for patients who proceeded to surgery were similar to other cohorts. None had pathology suggesting false-negative lymph node sampling. EBUS and US-FNA are effective means of sampling clinically indeterminate nonregional lymph nodes, and can significantly impact prognosis, and management. Further investigations in this context are of value in this cohort and should be pursued. Nonregional clinically indeterminate lymph nodes represent a diagnostic dilemma in oesophageal cancer staging. Additional investigations in the form of endobronchial ultrasound are effective at providing additional staging information, and can substantially influence patient care.
Identifiants
pubmed: 34347657
doi: 10.1097/MNM.0000000000001457
pii: 00006231-202111000-00012
doi:
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
1270-1276Informations de copyright
Copyright © 2021 Wolters Kluwer Health, Inc. All rights reserved.
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