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  • Title: Curative endoscopic ultrasound-assisted submucosal resection of a gastric stromal tumor.
    Author: Saftoiu A, Ciurea T, Georgescu CV, Comanescu V, Popescu C.
    Journal: Rom J Gastroenterol; 2005 Jun; 14(2):177-82. PubMed ID: 15990940.
    Abstract:
    Endoscopic submucosal resection has been proposed as a feasible alternative for the diagnosis and treatment of small submucosal tumors (< 3 cm), as compared to classic interventions (surgical intervention or frequent follow-up). Therapeutic options should be established after precise endoscopic ultrasound assessment of the tumor characteristics. We present the case of a 60 year-old patient, admitted to the Emergency Department for upper gastrointestinal (GI) bleeding. Upper GI endoscopy showed a submucosal tumor on the posterior gastric wall, with hyperemic covering mucosa, without central ulceration. Endoscopic ultrasound identified a 10-mm well-delimited hypoechoic lesion, with the origin in the third hyperechoic layer (submucosa). After injection of 1:10000 epinephrine in the submucosa, with subsequent elevation of the protrusive formation, we performed an endoscopic submucosal resection without any complications. Pathology exam showed a gastric stromal tumor with low mitotic activity, the endoscopic resection being considered curative. The absence of independent risk factors determined by ultrasound endoscopy (size > 3 cm, irregular margins, hyperechoic foci > 3 mm, cystic spaces > 4 mm, presence of intratumoral Doppler signal), as well as the low mitotic activity, permitted the subsequent follow-up of the patient. A control endoscopic examination performed after 4 weeks showed the healing of the post-resection ulceration. In conclusion, ultrasound endoscopy allowed the establishment of a correct presumptive diagnosis and the subsequent assistance of endoscopic submucosal resection, used for pathological confirmation and for curative endoscopic treatment.
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