Discordância entre IGF-1 e GH pós-sobrecarga de glicose no rastreamento de acromegalia em paciente com macroprolactinoma: relato de caso e revisão sobre o tema
Abstract:We describe a patient with macroprolactinoma and discrepant insulin-like growth factor (IGF-1) concentration (elevated) and growth hormone (GH) values during a 75 g oral glucose tolerance test (normal), that were measured to evaluate the co-secretion of GH by tumor. With the bromocriptin use, the patient achieved normalization of prolactin, but persisted with high levels of IGF1, suggesting to be subclinical acromegaly. After the development of new more sensitive GH assays, cases of discrepant GH and IGF-1 res… Show more
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