Know the Signs, Fight for Victory

MASS Phenotype

MASS Phenotype is a connective tissue disorder that is similar to Marfan syndrome in that people with the condition have the similar Mitral valve, Aorta, Skin, and Skeletal features. People with MASS phenotype do not have lens dislocation, but rather myopia (nearsightedness), and do not show progressive and dangerous aortic root enlargement, hallmark features of Marfan syndrome.

  • What other names do people use for MASS phenotype?
  • What are the characteristics of MASS phenotype?
  • How is MASS phenotype diagnosed?
  • What is the life expectancy for someone with MASS phenotype?

Find these answers and more in the “MASS phenotype” download.

Updated April 2021

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