LAM FACIAL PLASTICS

I plan to get silicone for acne scars, and I understand that it takes several rounds and that it can be a slow process. Also, though my acne is mostly under control, now and then I get acne cysts on my face. As soon as I notice a new cyst forming, I immediately see my dermatologist, who drains the cyst, then injects a small amount of diluted (with saline) cortisone to bring down the cyst before it has a chance to scar. Then after a week or so my derm will inject pure saline into the area to "flush out" and further dilute the cortisone crystals (which I was told can hang around for a long time) to prevent cortisone-induced atrophy. I have been successful with this occasional treatment as a way to prevent more scarring from cysts (though sometimes I'm unlucky and the cortisone still leaves small indents which I'm told is fat cell shrinkage at the areas of injection, something which seems to take a long time to plump back up or return to normal).

My questions are:

1) If we get a cyst, is it okay to get cortisone+saline injections (described above) after or in between silicone treatments?

2) Do you believe that cortisone shot-induced atrophy on the face is usually temporary? Have you seen such indents on the face remain permanently? If a very small amount of cortisone was used, is there less a chance that the dent will stay permanently?

Thank you VERY MUCH for your accessibility and assistance.

1) If we get a cyst, is it okay to get cortisone+saline injections (described above) after or in between silicone treatments?
THAT SHOULD BE FINE SO LONG AS THE CYST AND THE SILICONE ARE NOT IN THE EXACT SAME AREA. JUST DON'T INJECT A CYST FOR A COUPLE OF MONTHS IF IT OCCURS OVER A SILICONE TREATED AREA THAT WAS TREATED IN THE PAST 2 MONTHS.

2) Do you believe that cortisone shot-induced atrophy on the face is usually temporary? NOT ALWAYS. Have you seen such indents on the face remain permanently? YES. If a very small amount of cortisone was used, is there less a chance that the dent will stay permanently? YES, BUT THE OCCURRENCE CAN BE IDIOSYNCRATIC, MEANING A LITTLE COULD STILL CAUSE A BIG PROBLEM. I TEND TO AVOID STEROIDS ALMOST COMPLETELY EXCEPT FOR KELOIDS FOR THAT VERY REASON.
best,
sml