no
this usually needs operation
however, if you really afraid of operation, and the mass is not affecting your life,
then you can leave it alone.
however, you have to make sure this is really a (良性)粉瘤
my family doctor in Tai Wai (Dr. Ho) is quite good on this and he can tell you what happen (because i have seen him 1 months ago for the same problem),
he is very nice and may be you can see him if he can help you.
His clinic Tel no 2634 5530