There isn't that much available to treat scars, but the pulsed dye laser can be helpful without risking worse scarring.
I will say this, though: I am skeptical that you need so many
molesBirthmarks - pigmented
Gestational trophoblastic disease
Hydatidiform mole
Pth removed. Dysplastic is not synonymous with pre-cancerous; it's a lot more ambiguous than that. Before you have another 5
molesBirthmarks - pigmented
Gestational trophoblastic disease
Hydatidiform mole
Pth lopped off, I advise you to get another opinion fro a doctor who will both look at you but review your record and the previous pathology reports and slides. Even if you need more biopsies, there are techniques like shave biopsy that leave far smaller scars.
I'm not suggesting that you've been improperly treated, but I think another opinion in matters like this is a good idea, if only to get a different perspective.
Best.
Dr. Rockoff