A 4-year-old girl presents with a red-purple, raised vascular plaque over her left fourth digit. The lesion appeared a couple weeks after she was born. It grew rapidly for a period of time, but has been stable for about a year. What is the next step in treatment?
- Surgical excision and biopsy
- Laser surgery
- Cryosurgery
- Systemic glucocorticoids
- No treatment