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Gastric Leiomyosarcoma Unmasked by Bleeding From a Percutaneous Endoscopic Gastrostomy Tube
John Gubatan1, Nimeesh Shah1,2
1Division of Gastroenterology and Hepatology, Stanford University School of Medicine, Stanford, CA.
Abstract:
Gastrointestinal bleeding from percutaneous endoscopic gastrostomy tubes and malignancy are uncommon. Gastric leiomyosarcomas are rare and differentiated from other gastric tumors with histology and immunohistochemical staining. We present a case of upper gastrointestinal bleeding from a percutaneous endoscopic gastrostomy tube manifesting as a gastric leiomyosarcoma in a 50-year-old man with a medical history of Wilms tumor. We reviewed the epidemiology, diagnosis, and management of gastric leiomyosarcomas. We also explored the risk factors and potential mechanisms in the pathogenesis of gastric leiomyosarcoma in our patient.
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