How Common Is Treacher Collins Syndrome?
The disorder is very unique and is estimated to affect one in 50,000 live births.
Treacher Collins Syndrome Characteristics
Flat, underdeveloped or missing cheekbones and chin
Disfigured or missing ears, missing ear canals
Cleft or high vaulted palate
Facial clefts
Overgrowth of hair into the facial area
Slanted downward eyes
Orbital area abnormalities
Missing or sparse eyelashes
Displaced or missing TMJ
Facial muscle deficiency
Anterior open bite or other malocclusion