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9 Cards in this Set
- Front
- Back
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Synotia
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Pinna fused below the chin
"Bow tie ear" |
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Low-set ears
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Low and tilted back
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Aural Atresia
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Failure to develop the EAC
-Types A-D A= Stenotic cartilaginous portion B=Stenotic cartilage + bony portion C=no EAC, mastoid air cells normal D=no EAC, mastoid cells poorly airated. -Attempt surgery if bilateral loss, but wait until 9 yrs old/adulthood for unilateral loss. |
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Microtia
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small/absent/malformed pinna
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Macrotia
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large ears (may not be pathological)
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Absence of landmarks on pinna
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Incomplete development from the 6 Hillocks from the Branchial Arches and Ectoderm during Embryological Development
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Cup Ear
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Pinna cupped inward, like dog ears, combined with macrotia.
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Stenosis
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Narrowing of the ear canal.
-Meatoplasty (ear canal reconstruction) after 6 yrs of age when bone has developed. |
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Treacher Collins Syndrome
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-Aural Atresia
-Notched, sloping eyelid -broad bridge of nose -Protruding maxilla -recessed mandible |
