All are true about congenital lymphedema except?

Ans. is 'None' Primary lymphedema has been classified on the basis of the age at onset and presence of familial clustering. a) Congenital lymphedema - has onset before the 1st year of life (according to Schwaz and Bailey onset is - congenital lymphedema can involve a single lower extremity, multiple limbs, the genitalia or the face (it is more likely to be bilateral & involve whole leg) the familial version of congenital lymphedema is k/a Milroy's ds. b) Lymphedema praecox primary lymphedema with onset b/w the age of 1 and 35 yrs is called lymphedema praecox this is the most common form of primary lymphedema accounting for 90% of cases praecox is far more common in women (10:1) - praecox lymphedema more likely to be unilateral and usually extends only to the knees (i.e. involves foot & calf) the familial version of lymphedema praecox is k/a Meige's ds. c) Lymphedema tarda primary lymphedema with onset after the age of 35 yrs is called lymphedema tarda