Table 1

Phenotypic features of affected subjects

IV.1IV.5V.1V.3V.4V.5
EAC=external auditory canal.
Ptosis++++++
Bilateral, mildBilateral, moderateBilateral, mildBilateral, severe (surgery)Bilateral, severe (surgery)Bilateral, severe (surgery)
Downward slanting palpebral fissures++++++
Malar hypoplasia++++++
Micrognathia++++++
Severe, required tracheostomyMild, no surgeryMild, no surgeryModerate, required surgeryModerate, required surgeryModerate, required surgery
Malocclusion++++++
Malformation of auricle++++
Right rudimentary tag and EAC atresia Left ear small, cupped with EAC stenosisRight rudimentary tag and EAC atresia Left ear normal with EAC stenosisRight rudimentary tag and EAC atresia Left ear normal with EAC stenosisLeft rudimentary tag and EAC atresia Right ear normal with EAC stenosisBoth ears unremarkable Bilateral stenosis of EACBoth ears unremarkable, Bilateral stenosis of EAC
Hearing loss++++++
Bilateral conductive hearing lossLeft conductive hearing lossLeft ear normal hearingRight ear conductive hearing lossBilateral conductive hearing lossBilateral conductive hearing loss