Neurofibromatosis type 2 (mnemonic)

Last revised by Daniel J Bell on 18 Mar 2019

Useful mnemonics for neurofibromatosis type 2 (NF2) are:

  • MISME
  • rule of 2s

Mnemonics

MISME

In fact, labeling this disorder neurofibromatosis type 2 is a misnomer, because neurofibromas are not a part of its constellation of abnormalities 1.

Rule of 2s
  • neurofibromatosis type 2
  • chromosome 22 (22q12) gene location
  • bilateral vestibular schwannomas
  • presents in 2nd-4th decades (around 20 years)
  • initial prevalence estimated to be 1:200,000, now thought ~1:25,000

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