Multiple Endocrine Neoplasia Syndromes
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Questions and Answers

What is the primary characteristic of multiple endocrine neoplasias (MEN)?

  • Autosomal recessive inheritance
  • Increased risk of Hirschsprung's disease
  • Increased risk of pheochromocytoma
  • Hyperplasia and formation of adenomas or malignant tumours in multiple glands (correct)

    • Which gene is associated with MEN 1?

  • RET proto-oncogene
  • von Hippel–Lindau
  • CDNK1B
  • MEN1 (MENIN) (correct)

    • What type of mutations in the RET proto-oncogene cause MEN 2a and 2b?

  • Loss-of-function mutations
  • Frameshift mutations
  • Nonsense mutations
  • Gain-of-function mutations (correct)

    • Which genetic disease is associated with an increased risk of pheochromocytoma?

    <p>All of the above</p> Signup and view all the answers

    Which gene is associated with MEN 4?

    <p>CDNK1B</p> Signup and view all the answers

    What is the purpose of predictive genetic testing for individuals with MEN syndromes?

    <p>All of the above</p> Signup and view all the answers

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