Introduction: The preoperative diagnosis of submucosal lesions in the gut may be complicated. Conventional
endoscopy does not allow to clearly establishing a diagnosis, and does not adequately
assess lesion size. Furthermore, endoscopic biopsy is usually not diagnostic. Cytology
as performed by means of fine-needle puncture does not have enough sensitivity and
specificity to be considered the gold standard in the diagnosis of these lesions.
We will now assess the usefulness of endoscopic ultrasonography in the study of submucosal
digestive tumors.
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Publication history
Published online: January 30, 2006
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Copyright
© 2006 Published by Elsevier Inc.
