Local Staging of Esophageal Cancer Using Endoscopic Magnetic Resonance Imaging: Prospective Comparison with Endoscopic Ultrasound

D. Kulling; D. R. Feldman; C. L. Kay; B. J. Hoffman; C. E. Reed; J. W. R. Young; R. H. Hawes

doi:10.1055/s-2007-1001415

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Endoscopy 1998; 30(9): 745-749
DOI: 10.1055/s-2007-1001415

Original Article

Local Staging of Esophageal Cancer Using Endoscopic Magnetic Resonance Imaging: Prospective Comparison with Endoscopic Ultrasound

D. Kulling¹ , D. R. Feldman² , C. L. Kay² , B. J. Hoffman¹ , C. E. Reed³ , J. W. R. Young² , R. H. Hawes¹

¹Dept. of Medicine, Digestive Disease Center, Medical University of South Carolina, Charleston, South Carolina, USA
²Dept. of Radiology, Digestive Disease Center, Medical University of South Carolina, Charleston, South Carolina, USA
³Dept of Surgery, Digestive Disease Center, Medical University of South Carolina, Charleston, South Carolina, USA

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Publication History

Publication Date:
17 March 2008 (online)

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Abstract

Background and Study Aims: The magnetic resonance endoscope consists of a non-ferrous endoscope with a radiofrequency receiver coil incorporated into its tip. The aim of this study was to assess the accuracy of endoscopic magnetic resonance imaging for the local staging of esophageal cancer.

Patients and Methods: Prospectively, 15 patients with biopsy-proven cancer of the esophagus (n = 9) or gastro-esophageal junction (n = 6) underwent endosonography followed by imaging by the magnetic resonance endoscope. The results of endoscopic magnetic resonance imaging were assessed blindly, then compared with those of endosonography, which served as the gold standard.

Results: Endoscopic magnetic resonance imaging of transmural tumor invasion agreed with ultrasonography in 11/15 cases and of nodal state in 12/15 cases. Endoscopic magnetic resonance images were inadequate in four cases as a result of motion artifacts.

Conclusions: Endoscopic magnetic resonance imaging of esophageal cancer diagnoses local staging that is comparable to endosonography. In future, the combination of endoscopic and conventional magnetic resonance scanning may provide comprehensive staging of esophageal cancer.

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