This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Disorder of Pigmentation, Subject name: Skin
[{'content': 'Following are the differential diagnosis of congenital disorders of pigmentation - \nSelect and explain. \nA. Teitz syndrome, B. Piebaldism, C. Tuberous sclerosis, D. All the above', 'role': 'user'}, {'content': "Answer: D \nExplanation: Ans. is 'd' i.e., All the above Differential diagnosis of congenital disorders of pigmentationo Waardenburg syndromes types 1-4o Tietz syndrome o Piebaldismo Woolf's syndromeo Generalized vitiligoo Segmental vitiligoo Vogt-Koyanagi-Harada syndromeo Chemical leukodermao Tuberous sclerosis (hypopigmented macules and patches)o Ziprkowski-Margolis syndrome (X-linked albinism-deafness syndrome)", 'role': 'assistant'}]