Journal of Ultrasound in Medicine, Vol 14, Issue 10 725-730, Copyright © 1995 by American Institute of Ultrasound in Medicine

JOURNAL ARTICLE

High resolution endoluminal ultrasonography in the staging of esophageal carcinoma

R. F. McLoughlin, P. L. Cooperberg, J. R. Mathieson, S. N. Stordy and L. S. Halparin
Department of Radiology, University of British Columbia, St Paul's Hospital, Vancouver, Canada.

Small catheters containing 20 MHz transducers have recently become available for high resolution endoluminal ultrasound. We report our early use of this technique to image and stage esophageal carcinoma. Fifteen patients undergoing high resolution endoluminal ultrasonography for suspected esophageal carcinoma were studied. Twelve of these patients also underwent computed tomography and pathologic correlation was available in seven. Satisfactory esophageal examination was possible in 14 of 15 patients. Of those with pathologic correlation, the depth of tumor invasion was correctly staged by high resolution endoluminal ultrasonography in six of seven patients and by computed tomography in only three of seven patients. Lymph node assessment correlated poorly with pathologic findings for both high resolution endoluminal ultrasound and computed tomography. With the increasing use of preoperative radiation therapy, we believe these early results predict a potential role for high resolution endoluminal ultrasonography in the staging of esophageal carcinoma.

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