21+ Preauricular Sinus Anatomy Images. Otolaryngology online ectodermal infolding theory. Preauricular sinus is related to hypertelorism, preauricular sinus, punctal pits, and deafness and external ear disease.

Why Some People Have a Tiny Extra Hole in Their Ear
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Preauricular sinuses are frequently noted on routine physical examination as small dells adjacent to the external ear, usually at the anterior margin of the ascending limb of the helix. The surgery didnt go successful. A preauricular sinus (also known as a congenital auricular fistula, a congenital preauricular fistula, an ear pit,:782 or a preauricular cyst) is a common congenital malformation characterized by a nodule, dent or dimple located anywhere adjacent to the external ear.

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See more of preauricular sinus on facebook. An important gene associated with preauricular sinus is hppd (hypertelorism, preauricular sinus, punctal pits, and deafness). A pit is essentially a sinus tract traveling under the skin that doesn't belong there; The tract may be of variable length, have a tortuous course, and exhibit extensive branching.