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Tumor de GIST, presentación no habitual / GIST tumor: an unusual presentation
Lima, Melina; Landi, Leonardo; Battú, Camila; Moroni, Bruno; Francia, Héctor.
  • Lima, Melina; Hospital José María Cullen. Servicio de Cirugía General y Mixta. AR
  • Landi, Leonardo; Hospital José María Cullen. Servicio de Cirugía General y Mixta. AR
  • Battú, Camila; Hospital José María Cullen. Servicio de Cirugía General y Mixta. AR
  • Moroni, Bruno; Hospital José María Cullen. Servicio de Cirugía General y Mixta. AR
  • Francia, Héctor; Hospital José María Cullen. Servicio de Cirugía General y Mixta. AR
Rev. argent. cir ; 114(3): 275-278, set. 2022. graf
Article in Spanish | LILACS | ID: biblio-1422938
RESUMEN
RESUMEN El tumor estromal gastrointestinal representa el 3% de las neoplasias gastrointestinales; es el tumor mesenquimático más frecuente. Afecta a hombres mayores de 50 años. El 80% son benignos, la mayoría afectan el estómago e intestino delgado. La incidencia de localización extragastrointestinal es desconocida. Paciente masculino de 56 años, tabaquista, obeso, con hipertensión arterial (HTA) y diabético (DBT), anticoagulado, consulta por dolor en fosa ilíaca derecha, posterior a esfuerzo físico. Se realiza tomografía computarizada (TC) donde se visualiza lesión de aspecto expansivo intraperitoneal que muestra realce periférico. Se decide conducta quirúrgica. Se halla un tumor mesentérico. En su presentación, estos tumores hasta en un 60% suelen ser asintomáticos por lo que resultan solo un hallazgo imagenológico; es indispensable, pues, su sospecha clínica y fundamentalmente el aporte de la inmunohistoquímica para la definición de la patología. El CD 117 es el principal marcador. Su tratamiento de preferencia es siempre quirúrgico, acompañado de tratamientos quimioterápicos.
ABSTRACT
ABSTRACT Gastrointestinal stromal tumors (GISTs) account for < 3% of gastrointestinal neoplasms and are the most common mesenchymal tumors. They are more common in men > 50 years. They are benign in 80% of the cases and usually occur in the stomach and small intestine. The incidence of extragastrointestinal GISTs is unknown. A 56-year-old male patient sought medical care for abdominal pain in the right iliac fossa that appeared after exercising. The patient was a current smoker, obese, had a history of hypertension (HTN) and diabetes (DBT) and was receiving anticoagulants. A computed tomography (CT) scan showed an expansive mass within the peritoneum with peripheral enhancement. Surgical management was decided. During the procedure, a tumor was found in the mesentery. Up to 60% of these tumors are usually asymptomatic and are incidentally found in imaging tests; therefore, clinical suspicion and, most importantly immunohistochemistry, are essential for the diagnosis. CD117 is the main marker. Surgery is the treatment of choice for GISTs and chemotherapy is also indicated.
Subject(s)


Full text: Available Index: LILACS (Americas) Main subject: Gastrointestinal Stromal Tumors / Gastrointestinal Neoplasms Type of study: Health technology assessment Limits: Humans / Male Language: Spanish Journal: Rev. argent. cir Journal subject: General Surgery Year: 2022 Type: Article Affiliation country: Argentina Institution/Affiliation country: Hospital José María Cullen/AR

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Full text: Available Index: LILACS (Americas) Main subject: Gastrointestinal Stromal Tumors / Gastrointestinal Neoplasms Type of study: Health technology assessment Limits: Humans / Male Language: Spanish Journal: Rev. argent. cir Journal subject: General Surgery Year: 2022 Type: Article Affiliation country: Argentina Institution/Affiliation country: Hospital José María Cullen/AR