Anterior Pituitary Disorders
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Questions and Answers

What is the most common cause of anterior pituitary disorders?

  • Genetic mutations
  • Pituitary tumors (correct)
  • Endocrine neoplasia
  • Prolactinoma

What is the characteristic size of a microadenoma?

  • > 2 cm
  • > 1 cm
  • < 1 cm (correct)
  • < 2 cm

What is the most common functioning adenoma?

  • Thyrotroph adenoma
  • Prolactinoma (correct)
  • Corticotroph adenoma
  • Somatotroph adenoma

What is the cause of familial pituitary adenomas in less than 5% of cases?

<p>Germline mutation in MEN1 gene (C)</p> Signup and view all the answers

What hormone does prolactin inhibit, leading to decreased FSH and LH levels?

<p>GnRH (C)</p> Signup and view all the answers

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