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Revista Colombiana de Gastroenterologia

Print version ISSN 0120-9957

Abstract

ROSALES TORRES, Pedro; PILA PEREZ, Rafael; LEON ACOSTA, Pedro  and  PILA PELAEZ, Rafael. A case of a neuroendocrine tumor of the ileocecal valve with a single hepatic metastasis. Rev Col Gastroenterol [online]. 2018, vol.33, n.4, pp.478-482. ISSN 0120-9957.  http://dx.doi.org/10.22516/25007440.205.

Neuroendocrine tumors of the gastrointestinal tract are very rare tumors that most frequently occur in the small intestine, primarily in the ileum. They secrete bioactive peptides and amines. The World Health Organization (WHO) classifies them into five grades according to the degree of differentiation and biological behavior. Clinical manifestations may be absent or nonspecific. We report the case of a 49-year-old patient who was admitted due to abdominal pain in the right hemiabdomen, accompanied by aerogastria, vomiting and constitutional syndrome. A painful hepatomegaly with a single nodule of approximately 2.5 cm was found during physical examination. CAFF and laparoscopy with biopsy diagnosed a single hepatic metastasis of a neuroendocrine tumor of gastrointestinal origin. This was confirmed by colonoscopy with ileoscopy which found a subepithelial tumor in the ileocecal valve. Immunohistochemistry helped confirm the diagnosis. Treatment for this type of tumor can be surgical, but this patient rejected surgery. It was treated with chemotherapy and radiation therapy. Early diagnosis of this entity is fundamental but is rare because of the infrequency of the disease.

Keywords : Neuroendocrine tumor; classification; diagnosis; colonoscopy.

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