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. Author manuscript; available in PMC: 2016 Jan 11.
Published in final edited form as: Clin Perinatol. 2015 Jun;42(2):243–viii. doi: 10.1016/j.clp.2015.02.002

Table 6.

Conditions associated with preauricular ear tags

Differential diagnosis Associated features Potential evaluations Potential genetic studies
Craniofacial Microsomia External ear anomalies
Hearing loss
Cleft palate
Maxillary and/or mandibular hypoplasia
Renal anomalies
Audiology evaluation
Renal ultrasound
Chromosomal microarray
Isolated May have a positive family history Audiology evaluation None