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Role of F18-FDG PET/CT in the Staging and Restaging of Esophageal Cancer: A Comparison with CECT

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Abstract

Esophageal cancer is one of the most fatal cancers principally because of its late presentation. CECT plays an important role in the staging of esophageal cancer but has some limitations. PET/CT which provides physiological information along with anatomical information and is a whole body imaging technique may therefore be a better alternative and thereby can facilitate selection or exclusion of patients for resection. The aim was to evaluate the performance of F18 FDG PET/CT in the staging and restaging of esophageal carcinoma compared to CECT using histopathologic findings and clinical follow-up as gold standard. Twenty eight patients with proven esophageal carcinoma, both preoperative and postoperative, were studied with CECT and F18 FDG PET/CT scan within an interval of 2 weeks. The PET/CT scan was acquired after injection of 370 MBq (10 mCi) F18-FDG and was evaluated for areas of increased focal uptake. CECT scan of chest and abdomen was done after injection of iodinated non-ionic contrast media. CECT findings suggested stage-IV disease in 16/28 (57.14%) patients and non stage-IV disease in 12/28 (42.86%) patients, whereas PET/CT suggested stage-IV disease in 23/28 (82.14%) patients and non stage-IV disease in 5/28 (17.86%) patients. Total nine patients were upstaged by PET/CT compared to CECT, out of which 7 (25%) were correctly upstaged and 2 (7.14%) were falsely upstaged. PET/CT improved our ability to detect distant metastases in 25% of patients that was missed by CECT. So, the use of F18 FDG PET/CT in esophageal cancer can alter management in significant number of patients.

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No conflict of interest exists with reference to this manuscript. No competing financial interests exist.

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Correspondence to Nishikant A. Damle.

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Kumar, P., Damle, N.A. & Bal, C. Role of F18-FDG PET/CT in the Staging and Restaging of Esophageal Cancer: A Comparison with CECT. Indian J Surg Oncol 2, 343–350 (2011). https://doi.org/10.1007/s13193-012-0128-4

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  • DOI: https://doi.org/10.1007/s13193-012-0128-4

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