Apresenta-se o caso de um doente com um adenoma hipofisário associado a hiperprolactinemia e contíguo a um quisto supra e retrosselar. Até à presente data foram apenas descritos tres adenomas da hipófise acompanhados de quistos parasselares. É a primeira vez que esta relação é documentada por Ressonância Magnética Nuclear. A ocorrência simultânea de quistos leptomeníngeos e de adenomas é tida geralmente como acidental, mas a responsabilidade do adenoma na formação do quisto foi claramente demonstrada num dos relatos anteriores.
A case of a pituitary adenoma associated with hyperprolactinemia and contiguous to a supra and retrosellar cyst is presented. Only three patients with pituitary adenomas accompanied by parasellar cysts have been previously described. It is the first time that this relationship is illustrated by Magnetic Resonance Imaging (MRI). Simultaneous occurrence of arachnoid cysts and adenomas is generally regarded as incidental but the responsibility of the adenoma in the genesis of the cyst was clearly demostrated in one of the previous reports.
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