Hyperpituitarism

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Hyperpituitarism is the result of excess secretion of adenohypophyseal trophic hormones most commonly by a functional pituitary adenoma. Other causes are hyperplasias and carcinomas of the adenohypophysis, secretion by non-pituitary tumours and certain hypothalamic disorders.

Depending on the cell type(s) affected, clinical manifestations of hormone excess may include:

When there is an enlargement of the pituitary tissue, hyperpituitarism is often associated with:

Symptoms caused by hormone excess and associated mass effects include: