Abstract
Various modalities including CT, positron emission tomography (PET), and EUS are being used for esophageal cancer staging. We compared results of locoregional staging by CT, PET, and EUS with histologic staging. Retrospective chart review. Tertiary referral center. Patients with esophageal cancer proven by endoscopy and biopsy underwent a CT scan of the chest and abdomen and a PET scan. Patients with no evidence of distant metastatic disease on CT and PET were referred for EUS for locoregional staging. The tumor size (T) and lymph node (N) stage as determined by EUS were compared with surgical pathology or EUS-guided FNA cytology. The results of N staging with CT, PET, and EUS were compared with surgical pathology or EUS-FNA cytology. Between May 2005 and April 2006, 29 patients (24 men, mean age 68 years) underwent EUS. EUS was successful in 25 of 29 patients (86%). There were no EUS-related complications. Eleven of 16 patients with available lymph node histologic study had confirmed metastasis. Nodal metastasis was correctly identified by CT in 6 of 11 patients, by PET in 4 of 11 patients, and by EUS in 10 of 11 patients. Overall accuracy for N staging was 69% for CT, 56% for PET, and 81% for EUS. Fifteen patients had confirm...Continue Reading
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