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Primary angiosarcoma of the adrenal gland is both a rare and aggressive malignancy. Differentiating it from more common adrenal masses such as adrenal adenomas, adrenal cortical carcinomas, and metastatic carcinomas is one of several diagnostic challenges. Immunohistochemical analysis is imperative to arrive at the correct diagnosis. Treatment typically involves surgery and adjuvant chemotherapy, but prognosis remains poor.

We present the case of a 76-year-old man with gastroduodenal intussusception secondary to a gastric hyperplastic polyp. Intussusception in the adult population occurs infrequently. Our patient presented with gastroduodenal intussusception, which is very uncommon and accounts for <10% of all types of intussusception. This case is unique in that partial endoscopic resection of the gastric hyperplastic polyp resolved the patient's gastroduodenal intussusception, biliary obstruction and biochemical pancreatitis without the need for surgical intervention.

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