Keloids are extra scar tissue growth larger than original wound & continue grow larger & larger
Keloids scar may cause itching but don't harm.
Its more often Cosmetic concern than a health one.
Most common location - Ear , shoulder , chest etc
Treatment options include - 1 . Steroids injection (intralesional)
2. Pressure Garment
3 . Silicon sheet / gel
Every treatment modality have chances of recurrence .
Surgery should only be considered for cosmetic reasons & as last resort keeping in mind of chances of recurrence.