National Center for Advancing and Translational Sciences Genetic and Rare Diseases Information Center, a program of the National Center for Advancing and Translational Sciences

Multiple endocrine neoplasia type 2A

Back to List of Questions
How rare is multiple endocrine neoplasia type 2A? How is this condition inherited?

The following information may help to address your question:


How rare is multiple endocrine neoplasia type 2A?

Multiple endocrine neoplasia type 2 affects an estimated 1 in 30,000 to 35,000 people. Among the subtypes of multiple endocrine neoplasia type 2, type 2A is the most common form, making up 70-80% of cases.[1][2]
Last updated: 2/11/2011

How is multiple endocrine neoplasia type 2A inherited?

Multiple endocrine neoplasia type 2A (MEN 2A) is inherited in an autosomal dominant pattern. A person with MEN 2A often inherits the altered RET gene from one parent with the condition.[1]  
Last updated: 2/11/2011

We hope this information is helpful. We strongly recommend you discuss this information with your doctor. If you still have questions, please contact us.

Warm regards,
GARD Information Specialist

Please see our Disclaimer.

  1. Multiple endocrine neoplasia. Genetics Home Reference (GHR). 2006; http://ghr.nlm.nih.gov/condition/multiple-endocrine-neoplasia. Accessed 2/11/2011.
  2. Moline J, Eng C. Multiple Endocrine Neoplasia Type 2. GeneReviews. 2010; http://www.ncbi.nlm.nih.gov/books/NBK1257/. Accessed 2/11/2011.