Resumen

RUIZ LOBO, Elmer Jair et al. Tumor of small bowel. Rev Col Gastroenterol [online]. 2009, vol.24, n.2, pp.180-186. ISSN 0120-9957.

Young woman who is having episodes of overt obscure gastrointestinal bleeding that requires transfusions. The endoscopic study consists of 2 endoscopies of the upper digestive system and two colonoscopies. The tests do not find the cause of the digestive hemorrhage. A double-balloon enteroscopy is performed and it is found that the Ileum has an ulcerate subepitelial lesion with neoplasic appearance which is marked with Chinese ink and biopsies are taken from the tissue which are not diagnosed. Studies of staging are performed ant the result is negative. A laparatomy is performed for diagnosis and treatment which includes the intestinal resection of ileum where the tumor is placed. The result of the test shows to be a neuroendocrine carcinoma of high degree of large cells undifferentiated. One appears in addition a revision to overt obscure gastrointestinal bleeding and neuroendocrine tumor of small bowel.

Palabras clave : Overt obscure gastrointestinal bleeding; subepitelial lesion of small bowel; neuroendocrine cancer.

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