Tumores primarios del estroma gastrointestinal (GIST) localizados en yeyuno e íleon: reporte de un caso
2012
Introduction. Multiple primary gastrointestinal stromal tumors (GIST) are an infrequent finding in patients without known risk factors for this condition, such as type I neurofibromatosis or Carney’s triad. Benign and malignant tumors might coexist in the same patient. We discuss one case of a benign jejunal GIST and a malignant ileal GIST coexisting in the same patient. Case Report. A 46-years-old male patient presented with a distal ileum perforated GIST and a small non-complicated proximal jejunum GIST diagnosed by computerized tomography. The patient was submitted to surgery and both tumors were managed without incidents. Discussion. Radiological and pathological characteristics of GIST are clearly established, this clinical case highlights those characteristics and illustrates an uncommon clinical scenario in patients without known risk factors for multiple GIST.(AU) Introduccion: Los tumores multiples del estroma gastrointestinal (GIST), son un hallazgo infrecuente en pacientes sin factores de riesgo como neurofibromatosis tipo I o triada de Carney. En estos casos pueden coexistir GIST benignos y malignos en un mismo paciente. El presente reporte discute el caso de un paciente que se presenta con un GIST maligno perforado de ileon distal y con un GIST benigno de yeyuno proximal. Reporte de caso: Paciente masculino de 46 anos de edad que se presento con un GIST de ileon distal perforado y un pequeno GIST no complicado de yeyuno proximal diagnosticados mediante tomografia abdominal. Ambos tumores se resolvieron quirurgicamente sin incidentes. Discusion: Las caracteristicas anatomopatologicas y radiologicas de los GIST se encuentran actualmente claramente establecidas, el presente caso remarca estas caracteristicas e ilustra una situacion clinica poco habitual en pacientes sin factores de riesgo para GIST multiples.(AU)
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