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Arq. bras. endocrinol. metab ; 58(1): 71-75, 02/2014. graf
Article in Portuguese | LILACS | ID: lil-705244

ABSTRACT

A hipoglicemia em um adulto aparentemente saudável é um achado raro na prática clínica que exige uma investigação exaustiva da causa. A identificação de glicemia plasmática diminuída associada a concentrações plasmáticas de insulina e peptídeo-C não suprimidos deverá levar à exclusão de causas raras de hipoglicemia, entre elas, doença das células betapancreáticas e hipoglicemia autoimune. Neste artigo, descrevemos dois casos de hipoglicemia associada a hiperinsulinismo endógeno, cujas causas são pouco habituais na prática clínica. A propósito desses casos clínicos revemos aspectos importantes de diagnósticos e tratamento da hipoglicemia no contexto de hiperinsulinismo endógeno.


Hypoglycemia in apparently healthy adults is a rare finding in clinical practice requiring a thorough investigation of the cause. During the investigation, identification of hypoglycemia associated with inappropriately high levels of insulin and C-peptide should prompt the exclusion of rare causes of hypoglycemia, including pancreatic islet-cells disease and autoimmune hypoglycemia. In this paper, we describe two cases of hypoglycemia associated with endogenous hyperinsulinism, whose causes are uncommon in clinical practice, and review important aspects of the diagnosis and treatment of hyperinsulinemic hypoglycemia.


Subject(s)
Female , Humans , Male , Middle Aged , Hyperinsulinism/etiology , Hypoglycemia/etiology , Insulinoma/complications , Multiple Myeloma/complications , Pancreatic Neoplasms/complications , C-Peptide/blood , Insulin/blood , Pancreas/pathology , Pancreas , Proinsulin/blood
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