Following are the differential diagnosis of congenital disorders of pigmentation -

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)