Waardenburg syndrome is a rare genetic disorder most often characterized by varying degrees of deafness, minor defects in structures arising from the neural crest, and pigmentation anomalies. It is named after Dutch ophthalmologist Petrus Johannes Waardenburg (1886-1979), who first defined it in 1951. Other names for the syndrome include Van der Hoeve / Halbertsma / Gualdi syndrome, Ptosis-Epicanthus syndrom, and Mende syndrome. Several subtypes of the disorder are known. Subtypes of Wa ...
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