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      Nesidioblastosis del adulto tras derivación gástrica Translated title: Nesidioblastosis in the adult following gastric bypass

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          Abstract

          La hipoglucemia por hiperinsulinismo endógeno ha sido descrita como una complicación de la cirugía bariátrica. Se presenta el caso de un hombre de 34 años con tríada de Whipple que se manifestó ocho años después de someterse a derivación (bypass) gástrica. La hipoglucemia se asociaba con niveles elevados de insulina y péptido C, pero la localización del hiperinsulinismo endógeno solo se pudo precisar mediante cateterismo de arterias pancreáticas con estimulación intraarterial selectiva con calcio. Se decidió practicar una pancreatectomía subtotal laparoscópica, después de la cual el paciente presentó una excelente evolución posoperatoria y mejoró significativamente su sintomatología. Mediante la evaluación histopatológica e inmunohistoquímica, se confirmó una nesidioblastosis del adulto. Es importante reconocer esta enfermedad como una complicación de la cirugía bariátrica, más aún cuando estos procedimientos son tan frecuentes en la actualidad debido a la epidemia de obesidad. Los síntomas se pueden confundir con los de un síndrome de evacuación gástrica rápida (dumping), el cual no tiene repercusiones tan graves sobre la salud del paciente, como sí la tiene la nesidioblastosis.

          Translated abstract

          Hypoglycemia due to endogenous hyperinsulinism has been described as a complication of bariatric surgery. We present the case of a 34-year-old man who developed a Whipple's triad eight years after undergoing gastric bypass. Hypoglycemia was associated with high serum levels of insulin and C peptide; anatomic localization of endogenous hyperinsulinism was finally demonstrated with a selective intra-arterial calcium-stimulation test. Patient was offered a laparoscopic subtotal pancreatectomy, which resulted in an excellent postoperative course and significant symptoms resolution. Pathology report and inmunohistochemical analysis confirmed the diagnosis of adult nesidioblastosis. We believe it is important to recognize this condition as a complication of bariatric surgery, a procedure performed more frequently nowadays due to the obesity epidemic. Symptoms might be confused with those of dumping syndrome which does not have severe consequences in the patient's health as nesidioblastosis does.

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          Most cited references46

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          Diagnosis and management of insulinoma.

          Insulinomas, the most common cause of hypoglycemia related to endogenous hyperinsulinism, occur in 1-4 people per million of the general population. Common autonomic symptoms of insulinoma include diaphroresis, tremor, and palpitations, whereas neuroglycopenenic symptoms include confusion, behavioural changes, personality changes, visual disturbances, seizure, and coma. Diagnosis of suspected cases is based on standard endocrine tests, especially the prolonged fasting test. Non-invasive imaging procedures, such as computed tomography and magnetic resonance imaging, are used when a diagnosis of insulinoma has been made to localize the source of pathological insulin secretion. Invasive modalities, such as endoscopic ultrasonography and arterial stimulation venous sampling, are highly accurate in the preoperative localization of insulinomas and have frequently been shown to be superior to non-invasive localization techniques. The range of techniques available for the localization of insulinomas means that blind resection can be avoided. Intraoperative manual palpation of the pancreas by an experienced surgeon and intraoperative ultrasonography are both sensitive methods with which to finalize the location of insulinomas. A high proportion of patients with insulinomas can be cured with surgery. In patients with malignant insulinomas, an aggressive medical approach, including extended pancreatic resection, liver resection, liver transplantation, chemoembolization, or radiofrequency ablation, is recommended to improve both survival and quality of life. In patients with unresectable or uncontrollable insulinomas, such as malignant insulinoma of the pancreas, several techniques should be considered, including administration of ocreotide and/or continuous glucose monitoring, to prevent hypoglycemic episodes and to improve quality of life.
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            Bariatric surgery for morbid obesity.

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              A systematic review of localization, surgical treatment options, and outcome of insulinoma.

              Insulinoma with an incidence of 0.4% is a rare pancreatic tumor. Preserving surgery is the treatment of choice. Exact localization is necessary to plan the appropriate approach. This article gives an overview on localization and surgical strategies for treatment of insulinoma.
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                Author and article information

                Contributors
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Journal
                rcci
                Revista Colombiana de Cirugía
                rev. colomb. cir.
                Asociación Colombiana de Cirugía (Bogotá, Distrito Capital, Colombia )
                2011-7582
                December 2017
                : 32
                : 4
                : 319-329
                Affiliations
                [01] Medellín orgnameUniversidad de Antioquia orgdiv1Facultad de Medicina Colombia
                [05] Medellín orgnameUniversidad de Antioquia Colombia
                [03] Medellín orgnameUniversidad de Antioquia orgdiv1Departamento de Medicina Interna Colombia
                [04] Medellín orgnameUniversidad de Antioquia orgdiv1Departamento de Patología Colombia
                [06] Medellín orgnameUniversidad de Antioquia Colombia
                [02] Medellín orgnameHospital Universitario San Vicente Fundación orgdiv1Departamento de Endocrinología y Metabolismo Colombia
                Article
                S2011-75822017000400011
                89366c80-6b54-494f-ab38-e895dd89d9e9

                This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

                History
                : 21 January 2017
                : 12 January 2017
                Page count
                Figures: 0, Tables: 0, Equations: 0, References: 51, Pages: 11
                Product

                SciELO Colombia


                nesidioblastosis,hipoglucemia,dumping syndrome,hyperinsulinism,postoperative complications,Nesidioblastosis,gastric bypass,derivación gástrica,hypoglycemia,hiperinsulinismo,complicaciones posoperatorias,síndrome de vaciamiento rápido

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