A 31-year-old woman with a history of Addison disease presents with widespread, symmetric, hypopigmented patches and macules on her face and hands. A Wood lamp is used for further exam, and a fungal etiology is excluded. The patient is diagnosed with vitiligo. Which statement is correct regarding this patient's condition?

A. There is spontaneous repigmentation in 15 to 20% of patients.
B. The disease is predictable with rapid progression.
C. Keloid formation is associated with regions of depigmentation.
D. It is self-limited and will resolve in 8-14 weeks.