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Tumor estromal gastrointestinal de intestino delgado / Gastrointestinal stromal tumor of small bowel
Silva, Francisco Marivaldo Benício da; Lemos, Jefferson Soares; Moraes, Marcos Gonçalves Nunes de.
  • Silva, Francisco Marivaldo Benício da; HSM.
  • Lemos, Jefferson Soares; HSM. Serviço de Cirurgia Geral.
  • Moraes, Marcos Gonçalves Nunes de; HSM. Serviço de Cirurgia Geral.
Rev. Col. Bras. Cir ; 28(1): 65-67, jan.-fev. 2001. ilus
Article in Portuguese | LILACS | ID: lil-513502
ABSTRACT
Stromal tumors of the gastrointestinal tract (gists) represent relatively rare lesions that arise from connective tissue elements located along the entire length of the gut. They were initially identified by immunohistochemical investigation, proving their origin from nondifferentiated mesenchymal cells. Only a minority of this lesions, mainly those confined to the esophagus and rectum, have been shown to correspond to mature, well-differentiated types of neoplasms such as leiomyoma or leiomyosarcoma. The majority of gists corresponds to a heterogeneous group of lesions that have as their common denominator an immature proliferation of epithelioid or spindle cells arising from its muscle layers, or between them, showing partial or incomplete myoide, neural, ganglionic, or mixed features of differentiation. This case report intends to show a gist of small bowel in a male, 46 years old, with a two-year of evolution.

Full text: Available Index: LILACS (Americas) Language: Portuguese Journal: Rev. Col. Bras. Cir Journal subject: General Surgery Year: 2001 Type: Article Affiliation country: Brazil

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Full text: Available Index: LILACS (Americas) Language: Portuguese Journal: Rev. Col. Bras. Cir Journal subject: General Surgery Year: 2001 Type: Article Affiliation country: Brazil