<unk><unk> es and cysts result from developmental defects of the first and second pharyngeal arches. This and other ear malformations are sometimes associated with renal anomalies. In rare circumstances these pits may be seen in genetic conditions such as branchio-oto-renal syndrome; however these conditions are always concurrent with other health concerns.
Preauricular sinus and cyst
Median mandibular cyst
Enamel pearl
Weathering nodule of ear
Omphalolith
Malgaigne's bulge
Protruding ear
Salivary gland fistula