To evaluate the prognostic role of Positron Emission Tomography/Computed Tomography (PET/CT) and Endoscopic Ultrasound (EUS) performed before neoadjuvant chemotherapy (NAC) and surgery for oesophageal adenocarcinoma (OAC) patients, focusing on lymph node (LN) assessment. OAC patients treated in a single tertiary center during January 2008 until December 2014 were retrospectively studied. All patients had PET/CT and EUS before NAC and oesophagectomy. PET-FDG-avid local LNs and maximum standardized uptake value (SUVmax) of the primary tumour, EUS positive LNs and EUS tumour length were recorded. Univariate, multivariate and survival analyses were performed. Following exclusions 151consecutive patients met the inclusion criteria, (median age 62 years). PET/CT and EUS sensitivity for local LNs metastasis was 39.2% and 88.6%, with specificities of 83.33% and 19.15% respectively. No overall survival (OS) difference was found between patients with PET/CT FDG-avid LNs and those with negative LNs (p=0.347). SUVmax uptake was divided into high and low (median cut-off value: 10) with no significant difference in OS between groups (p=0.141). EUS tumour length was not prognostic (OS, p=0.455). Initial LN staging in OA is inaccurate. Although PET/CT and EUS assessments may be complimentary, none independently predicted survival.
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| http://dx.doi.org/10.21614/chirurgia.114.4.443 | DOI Listing |
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