Pinna :: Preauricular Pits and Sinuses :: 1_19_001
 Preauricular Pits and Sinuses  
Preauricular Sinus

Preauricular Sinus

Description : A preauricular sinus is deeper and lined with stratified squamous or columnar epithelium. Gentle sounding with a lacrimal duct probe distinguishes a preauricular sinus from a preauricular pit.

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