Resumen

BENITEZ, Gustavo et al. Resección laparoscópica mano asistida de tumor del estroma gastrointestinal de yeyuno. Rev. venez. oncol. [online]. 2008, vol.20, n.4, pp.208-212. ISSN 0798-0582.

Tumors of the small bowel are relative rare with an incidence of 5 %. These kinds lesions we find in the stoma gastrointestinal tumors, there are a group of neoplasm mesenquimal original. They are constitutive 0,1 % to 3 % of the digestive tract tumors. The clinical presentation is no specific generally the patients consult for superior digestive bleeding, pain or palpable mass. The market determination is important to the pathological confirmation and are sustention with immunohistochemestry studies based in the expression of CD117 (c-kit receptor), CD34, desmine and S100 protein, to be differential of another tumors how mesenchyme, neural, and neuroendocrines. The biological clinical courses of these kinds of tumors are difficult to predict. The surgical resection with free lesion margins is the treatment of choice for the localized lesions.

Palabras clave : Tumors; stroma; gastrointestinal; small bowel; bleeding; digestive; laparascopy; sarcoma; immunohistochemestry.