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עמוד בית
Fri, 21.06.24

Original Articles

IMAJ | volume

Journal 6, June 2000
pages: 430–432

The Natural Course of Upper Gastrointestinal Submucosal Tumors: an Endoscopic Ultrasound Survey


    Background: Differentiating between benign and malignant submucosal tumors is difficult. Moreover, the natural course of benign-appearing SMTs is not clearly elucidated.

    Objectives: To evaluate the natural course of upper gastrointestinal SMTs by endoscopic endosonography.

    Methods: We followed 25 consecutive patients with small (<40 mm) SMTs for a mean period of 19 months. Evaluation included maximal tumor diameter, internal echo pattern, and outer margin of lesions.

    Results: Follow-up revealed no change in echo features in 24 of 25 patients (96%). In only one patient a homogenous hypoechoic smooth margin lesion converted to a non-homogenous tumor with an irregular outer margin. This lesion also increased in size from 30 to 38 mm. On surgical removal this tumor was found to be a stromal tumor with high malignant potential.

    Conclusions: Most small SMTs do not change during a period of 19 months and a conservative policy of surveillance is warranted.



    SMTs= submucosal tumors

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