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Related Experiment Videos

Multiple endocrine neoplasia type 2B.

S Nakata1, H Okugi, Y Saitoh

  • 1Department of Urology, Ashikaga Red Cross Hospital, Ashikaga, Japan. zai23910@oak.zero.ad.jp

International Journal of Urology : Official Journal of the Japanese Urological Association
|July 10, 2001
PubMed
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Multiple Endocrine Neoplasia type 2B (MEN 2B) was diagnosed in a woman with a RET proto-oncogene mutation. This genetic finding highlights MEN 2B

Area of Science:

  • Endocrinology
  • Oncology
  • Genetics

Background:

  • Multiple Endocrine Neoplasia type 2B (MEN 2B) is a rare genetic disorder.
  • MEN 2B is characterized by medullary thyroid carcinoma, pheochromocytomas, and ganglioneuromas.
  • Early diagnosis and genetic testing are crucial for managing MEN 2B.

Observation:

  • A 30-year-old woman presented with no family history of MEN 2B.
  • She was diagnosed with MEN 2B.
  • She underwent a total thyroidectomy.

Findings:

  • DNA testing revealed a specific point mutation (ATG to ACG) in exon 16, codon 918 of the RET proto-oncogene.
  • This RET proto-oncogene mutation is a known driver of MEN 2B.

Implications:

Related Experiment Videos

  • The identified RET mutation confirms the genetic basis of MEN 2B in this patient.
  • The case underscores the importance of genetic testing for MEN 2B, even in the absence of a family history.
  • Understanding the RET proto-oncogene's role is vital for targeted therapies and improved patient outcomes in MEN 2B.