External Ear, Aural Atresia Workup

  • Author: Stephen S Park, MD; Chief Editor: Arlen D Meyers, MD, MBA   more...
 
Updated: Mar 25, 2010
 

Imaging Studies

Atresia repair candidacy is dictated largely by radiographic findings of the middle ear space, and a temporal bone CT scan is essential in the future.

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Other Tests

Formal audiography is prudent to document the level of hearing of both the microtic and uninvolved ear. A patient with bilateral atresia requires a bone conduction hearing aid that is placed as soon as possible and replaced often during infancy for speech and language development.

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Contributor Information and Disclosures
Author

Stephen S Park, MD  Professor and Vice-Chairman, Department of Otolaryngology-Head and Neck Surgery, Director, Division of Facial Plastic and Reconstructive Surgery, University of Virginia Medical Center/Cosmetic Surgery Center

Stephen S Park, MD is a member of the following medical societies: American Academy of Facial Plastic and Reconstructive Surgery, American Academy of Otolaryngology-Head and Neck Surgery, American College of Surgeons, American Medical Association, American Rhinologic Society, Society of University Otolaryngologists-Head and Neck Surgeons, Triological Society, and Virginia Society of Otolaryngology-Head and Neck Surgery

Disclosure: Nothing to disclose.

Specialty Editor Board

Robert A Battista, MD, FACS  Assistant Professor of Otolaryngology, Northwestern University Medical School; Physician, Ear Institute of Chicago, LLC

Robert A Battista, MD, FACS is a member of the following medical societies: American Academy of Otolaryngology-Head and Neck Surgery, American College of Surgeons, American Neurotology Society, and Illinois State Medical Society

Disclosure: Nothing to disclose.

Francisco Talavera, PharmD, PhD  Senior Pharmacy Editor, eMedicine

Disclosure: eMedicine Salary Employment

Gregory C Allen, MD  Assistant Professor, Department of Otolaryngology-Head and Neck Surgery, University of Colorado School of Medicine

Gregory C Allen, MD is a member of the following medical societies: American Academy of Otolaryngology-Head and Neck Surgery, American Academy of Pediatrics, American Cleft Palate/Craniofacial Association, American College of Surgeons, American Laryngological Rhinological and Otological Society, American Medical Association, Christian Medical & Dental Society, and Colorado Medical Society

Disclosure: Nothing to disclose.

Christopher L Slack, MD  Otolaryngology-Facial Plastic Surgery, Private Practice, Associated Coastal ENT; Medical Director, Treasure Coast Sleep Disorders

Christopher L Slack, MD is a member of the following medical societies: Alpha Omega Alpha, American Academy of Facial Plastic and Reconstructive Surgery, American Academy of Otolaryngology-Head and Neck Surgery, and American Medical Association

Disclosure: Nothing to disclose.

Chief Editor

Arlen D Meyers, MD, MBA  Professor, Department of Otolaryngology-Head and Neck Surgery, University of Colorado School of Medicine

Arlen D Meyers, MD, MBA is a member of the following medical societies: American Academy of Facial Plastic and Reconstructive Surgery, American Academy of Otolaryngology-Head and Neck Surgery, and American Head and Neck Society

Disclosure: Covidien Corp Consulting fee Consulting; US Tobacco Corporation unstricted gift unknown; Axis Three Corporation Ownership interest Consulting; Omni Biosciences Ownership interest Consulting; Sentegra Ownership interest Board membership; Syndicom Ownership interest Consulting; Oxlo Consulting; Medvoy Ownership interest Management position; Cerescan Imaging Honoraria Consulting; GYRUS ACMI Honoraria Consulting

References

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Grade I microtia.
Stahl ear deformity with third crus.
A: Grade II microtia. B: Grade III microtia.
Hemifacial microsomia with microtia.
A: Hillocks of His. B: Derivatives of the hillocks of His. The first 3 hillocks are derived from the first pharyngeal arch. The last 3 hillocks are derived from the second pharyngeal arch. The first hillock forms the tragus; the second forms the helical crus; the third forms the helix; the fourth and fifth form the antihelix; and the sixth forms the antitragus.
Named landmarks of the normal auricle.
Silastic-Dacron alloplastic implant.
Cartilage harvested.
Instruments used for carving costal cartilage.
Carved auricular template.
Microdrains in place.
Lobule transfer.
Inferiorly based lobule.
Lobule transferred.
A: Stage III, skin incision for ear elevation. B: Wedge of cartilage placed as buttress graft for projection support. C: Skin graft in position.
A: Stage IV, composite graft for tragal reconstruction. B: Shadow created by tragus.
Exposed cartilage.
Tissue-engineered cartilage for potential microtia repair.
 
 
 
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