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Test de estimulación intraarterial selectiva con calcio en el diagnóstico de localización de insulinomas: Casos clínicos / Selective intra arterial calcium stimulation for the localization of insulinomas: Report of two cases
Martínez O, Darío; Silva Q, Guillermo; Solís O, Iván; Toloza H, Jorge; Benavides C, Carlos; Hamilton S, James; Osorio G, Fernando; Iñiguez V, Germán; Soto I, Néstor.
  • Martínez O, Darío; Hospital San Borja-Arriarán. Unidad de Hemodinamia. CL
  • Silva Q, Guillermo; Hospital San Borja-Arriarán. Servicio de Medicina Interna. CL
  • Solís O, Iván; Hospital San Borja-Arriarán. Servicio de Medicina Interna. CL
  • Toloza H, Jorge; Hospital San Borja-Arriarán. Servicio de Medicina Interna. CL
  • Benavides C, Carlos; Hospital San Borja-Arriarán. Servicio de Cirugía. CL
  • Hamilton S, James; Hospital Padre Hurtado. Servicios de Medicina Interna y de Cirugía. CL
  • Osorio G, Fernando; Hospital Padre Hurtado. Servicios de Medicina Interna y de Cirugía. CL
  • Iñiguez V, Germán; Universidad de Chile. CL
  • Soto I, Néstor; Hospital San Borja-Arriarán. Servicio de Medicina Interna. CL
Rev. méd. Chile ; 132(1): 71-74, ene. 2004. graf
Artigo em Espanhol | LILACS | ID: lil-359182
ABSTRACT
Insulinoma is the most common neuroendocrine tumor. Its clinical manifestations are frequently confounded with neuropsychiatric symptoms, and definitive diagnosis can be delayed for a long time. These tumors are usually small, of less than 2 cm. Thus, their preoperative localization is difficult. We report two patients with a clinical diagnosis of insulinoma, in whom the preoperative imaging study was negative. Both fulfilled diagnostic criteria, with high serum insulin levels in the presence of a blood glucose of less than 45 mg/dl. The imaging study, including abdominal computed tomography and pancreatic endoscopic ultrasonography did not disclose the location of the tumor. A pancreatic angiography with selective stimulation with intra arterial calcium and venous sampling for insulin measurements, was performed in both patients. This test allowed the exact localization of the tumors and their successful excision. A review of other localization diagnostic tests is done (Rev Méd Chile 2004; 132 71-5).
Assuntos
Texto completo: DisponíveL Índice: LILACS (Américas) Assunto principal: Neoplasias Pancreáticas / Insulinoma Tipo de estudo: Estudo diagnóstico Limite: Adulto / Feminino / Humanos Idioma: Espanhol Revista: Rev. méd. Chile Assunto da revista: Medicina Ano de publicação: 2004 Tipo de documento: Artigo País de afiliação: Chile Instituição/País de afiliação: Hospital Padre Hurtado/CL / Hospital San Borja-Arriarán/CL / Universidad de Chile/CL

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Texto completo: DisponíveL Índice: LILACS (Américas) Assunto principal: Neoplasias Pancreáticas / Insulinoma Tipo de estudo: Estudo diagnóstico Limite: Adulto / Feminino / Humanos Idioma: Espanhol Revista: Rev. méd. Chile Assunto da revista: Medicina Ano de publicação: 2004 Tipo de documento: Artigo País de afiliação: Chile Instituição/País de afiliação: Hospital Padre Hurtado/CL / Hospital San Borja-Arriarán/CL / Universidad de Chile/CL