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Comparison of endoscopic ultrasonography (EUS), positron emission tomography (PET), and computed tomography (CT) in the preoperative locoregional staging of resectable esophageal cancer

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Abstract

Background

Endoscopic ultrasonography (EUS) has been a useful method for the accurate staging of esophageal cancer. This study aimed to compare the diagnostic performance of EUS, positron emission tomography (PET), and computed tomography (CT) in the locoregional staging of resectable esophageal cancer.

Methods

A total of 109 patients with resectable esophageal cancer were prospectively enrolled and retrospectively reviewed for evaluation of preoperative EUS, PET, and CT. The sensitivity, specificity, and accuracy of tumor depth (T) staging and regional lymph nodal (N) staging for each test were compared with the postoperative histopathologic stage as the gold standard.

Results

The overall accuracy of EUS for T staging was 72%, and it was the only method for delineating the layers of the esophageal wall. The sensitivities for N staging were 42% for EUS, 49% for PET, and 35% for CT, and their specificities were, respectively, 91, 87, and 93%. The accuracy for N staging was 66% for EUS, 68% for PET, and 63% for CT, and it did not differ significantly across the three tests.

Conclusions

Preoperative EUS for the locoregional staging of esophageal cancer provides excellent T staging accuracy and similar accuracy for N staging compared with PET and CT. Especially in T staging, EUS could play an important role in the choice of candidates for esophageal cancer surgery.

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Disclosures

Jeongmin Choi, Sang Gyun Kim, Joo Sung Kim, Hyun Chae Jung, and In Sung Song have no conflicts of interest or financial ties to diclose.

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Authors and Affiliations

  1. Department of Internal Medicine and Liver Research Institute, Seoul National University College of Medicine, Yongun-dong 28, Chongno-gu, Seoul, 110-744, South Korea

    Jeongmin Choi, Sang Gyun Kim, Joo Sung Kim, Hyun Chae Jung & In Sung Song

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  1. Jeongmin Choi
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  2. Sang Gyun Kim
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  3. Joo Sung Kim
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  4. Hyun Chae Jung
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  5. In Sung Song
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Correspondence to Sang Gyun Kim.

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Choi, J., Kim, S.G., Kim, J.S. et al. Comparison of endoscopic ultrasonography (EUS), positron emission tomography (PET), and computed tomography (CT) in the preoperative locoregional staging of resectable esophageal cancer. Surg Endosc 24, 1380–1386 (2010). https://doi.org/10.1007/s00464-009-0783-x

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  • DOI: https://doi.org/10.1007/s00464-009-0783-x

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