2009
DOI: 10.1159/000236081
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Prolactinoma in Children and Adolescents

Abstract: The evolution of prolactinomas in children and adolescents continues to be controversial. Girls have more prevalence of microprolactinomas and their signs and symptoms are related to hyperprolactinemia and the resulting hypogonadotrophic hypogonadism. In males, the greater incidence of macroadenomas results in the presence of neuro-ophthalmologic signs. The larger prevalence of macroadenomas in males is consistent with findings in adults and would not be related to a later diagnosis. In patients with asymptoma… Show more

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Cited by 89 publications
(58 citation statements)
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“…In addition, our findings show that the incidences of acromegalic features, i.e. coarse facial features and large hands and feet, are obviously lower in patients with combined secretion of GH and PRL than in patients with merely GH-secreting adenomas, but the incidences of menstrual disorder and galactorrhea, probably due to the similar pathogenesis caused by prolactinoma (25,26,27,28,29), are extremely higher. Considering the young age, the short interval from the onset of symptoms to the date of diagnosis, and the few physical features of acromegaly, we may conclude that the clinical manifestations due to hyperprolactinemia, i.e.…”
Section: Discussionmentioning
confidence: 62%
“…In addition, our findings show that the incidences of acromegalic features, i.e. coarse facial features and large hands and feet, are obviously lower in patients with combined secretion of GH and PRL than in patients with merely GH-secreting adenomas, but the incidences of menstrual disorder and galactorrhea, probably due to the similar pathogenesis caused by prolactinoma (25,26,27,28,29), are extremely higher. Considering the young age, the short interval from the onset of symptoms to the date of diagnosis, and the few physical features of acromegaly, we may conclude that the clinical manifestations due to hyperprolactinemia, i.e.…”
Section: Discussionmentioning
confidence: 62%
“…A paciente relatada não apresentou menarca, até os 15 anos, com quadro de amenorreia primária que está presente em 14-41% dos casos (2,11) . A paciente mostrou, entretanto, estágio puberal avançado ao diagnóstico, o que pode ter ocorrido em função do bloqueio incompleto do eixo gonadotrófico (7) .…”
Section: Discussionunclassified
“…A falta de resposta e a necessidade de doses altas de agonistas dopaminérgicos em alguns pacientes, assim como o comportamento clínico mais agressivo em outros, poderiam ser explicadas por variações moleculares e genéticas dos adenomas (11) . Os marcadores específicos de agressividade incluem fatores de proliferação, proteínas relacionadas ao ciclo celular, moléculas de adesão, componentes da matriz extracelular, fatores locais de crescimento e angiogênese tumoral e receptores de estrogênio.…”
Section: Discussionunclassified
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