no significant differences were found ( p less than or equal to .01 ) between maternal affected , paternal affected , and sporadic cases in terms of overall severity , probability of reaching advanced severity as a function of age , indications of possible prenatal influence ( eg , congenital neurofibromas , tibial pseudarthrosis ) , or other neurofibromatosis features .
C0027830
congenital
C0027831
neurofibromatosis