# Rtimoblittoini i» diagnoned at m ararapt uf \% montb1 łrith 90% dbłKiNMcd hrUire paUent1 reach agc 5 yaar1.
* Children who ara affeeted biblrrnlh ir« diaeno1ed at m nin(r age of 13 monthł, while paliciU win unifateral reitnohhiaUtma ara diapjona1I at aa wtnfc a(r of 24 month1.
* W hen a kiumn famito hhtonr of rettnoMaitoma nkti, pattent1 niih bilateral ratimmaMoma ara djagmanl at aa aterag1 agc «f I i month1.
A fet1 ca»e»of ratimobkuUnma in adult1 (aged 201 and ofder) I ba»i- beea reported in the literaturę. Homa theorua tbat Uwm kiiont ari1c frant 1 pro mul) niitMK retin«»e> tom a that aoderornf maffgnant Irantkirmalkia,