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  • Title: Carcinoid tumor associated with vascular malformation as a cause of massive gastric bleeding.
    Author: Roncoroni L, Costi R, Canavese G, Violi V, Bordi C.
    Journal: Am J Gastroenterol; 1997 Nov; 92(11):2119-21. PubMed ID: 9362209.
    Abstract:
    Massive gastric bleeding in a 28-yr-old woman requiring emergency surgical treatment was found to originate from a polypoid carcinoid tumor 1.3 cm in diameter. Histologically, the tumor was found to be associated with a complex vascular malformation apparently originating from the underlying submucosa, crossing the tumor and ending in large mucosal sinusoids that opened on the mucosal surface. A similar clinical presentation was reported in three previous cases of small gastric carcinoids, one of which revealed an anomalous intratumoral bleeding artery. We recommend that in the absence of more common causative lesions of gastric bleeding, gastric carcinoid be considered in cases of focal massive hemorrhage requiring emergency treatment.
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