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  • Title: Solitary gastric melanotic schwannoma: sonographic findings.
    Author: Chen YY, Yen HH, Soon MS.
    Journal: J Clin Ultrasound; 2007 Jan; 35(1):52-4. PubMed ID: 17111368.
    Abstract:
    Solitary gastric schwannoma is rare, and solitary melanotic schwannoma is even rarer, posing a dilemma in diagnosis and treatment. We report the case of a 69-year-old woman with gastric melanotic schwannoma who presented with nausea, vomiting, and abdominal pain. Abdominal sonographic examination revealed a 5-cm hypoechoic mass in the epigastric area that was confirmed to be a gastric submucosal tumor on endoscopic examination. The diagnosis of melanotic schwannoma was confirmed via sonographically guided percutaneous core biopsy. The tumor was resected, and no recurrence has occurred in a 3-year follow-up.
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