Nevus depigmentosus must be differentiated from vitiligo.
What is the meaning of nevus depigmentosus?
<|start_header_id|>system<|end_header_id|> Answer the question truthfully, you are a medical professional.<|eot_id|><|start_header_id|>user<|end_header_id|> This is the question: What is the meaning of nevus depigmentosus?<|eot_id|><|start_header_id|>assistant<|end_header_id|> Nevus depigmentosus must be differentiated from vitiligo.<|eot_id|>