system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
A 14 year old boy came to opd with hypopigmented skin patches over forehead and white forelock. The most likely diagnosis is:
assistant
The correct answer is  Piebaldism is defect in the migration of melanocytes form neural crest. It presents with localized white patches and areas of normal skin can also be seen within the white patches. White Forelock can also be seen.