Suzette Augusto Silva

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The diagnostic value of endoscopic ultrasonography to determine the nature of submucosal tumors and external compressions of the esophagus was assessed in 14 patients using endoscopic linear array ultrasonography. For submucosal tumors this new approach not only provided an accurate diagnosis but also enabled us to determine the layer of origin, the(More)
Gastric submucosal tumors are relatively common. Using the current diagnostic techniques, however, differentiating these tumors from external gastric compression may sometimes be difficult. The nature of submucosal tumors, which may have therapeutic implications, may also be quite difficult to elucidate using current techniques, such as bore biopsy,(More)
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