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Microtia
Unilateral grade III microtia (more often affecting the right ear).
SpecialtyMedical genetics

Sss telephone number. Jehovah's Witnesses. 900 Red Mills Road. UNITED STATES +1 845-744-6000. Microtia is a congenital deformity where the pinna (external ear) is underdeveloped. A completely undeveloped pinna is referred to as anotia.Because microtia and anotia have the same origin, it can be referred to as microtia-anotia.

Microtia is a congenital deformity where the pinna (external ear) is underdeveloped. A completely undeveloped pinna is referred to as anotia. Because microtia and anotia have the same origin, it can be referred to as microtia-anotia.[1] Microtia can be unilateral (one side only) or bilateral (affecting both sides). Microtia occurs in 1 out of about 8,000–10,000 births. In unilateral microtia, the right ear is most commonly affected. It may occur as a complication of taking Accutane (isotretinoin) during pregnancy.[2]

Classification[edit]

According to the Altman-classification, there are four grades of microtia:[3]

  • Grade I: A less than complete development of the external ear with identifiable structures and a small but present external ear canal
  • Grade II: A partially developed ear (usually the top portion is underdeveloped) with a closed stenotic external ear canal producing a conductive hearing loss.
  • Grade III: Absence of the external ear with a small peanut-like vestige structure and an absence of the external ear canal and ear drum. Grade III microtia is the most common form of microtia.
  • Grade IV: Absence of the total ear or anotia.

Causes and Risk Factors[edit]

The etiology of microtia in children remains uncertain but there are some cases that associate the cause of microtia with genetic defects in multiple or single genes, altitude, and gestational diabetes.[3] Risk factors gathered from studies include infants born underweight, women gravidity and parity, and medication use while pregnant.[3][4][5] Genetic inheritance has not been fully studied but in the few studies available, it has shown to occur during the early stages of pregnancy.[3]

Diagnosis[edit]

At birth, lower grade microtia is difficult to visually diagnose with a physical exam. While higher grade microtia can be visually diagnosed due to noticeable abnormalities.[3] Infants that have noticeable abnormalities are closely monitored by physicians and hearing specialists.[6]

Treatment[edit]

The goal of medical intervention is to provide the best form and function to the underdeveloped ear.[7]

Hearing[edit]

Typically, testing is first done to determine the quality of hearing. This can be done as early as in the first two weeks with a BAER test (Brain Stem Auditory Response Test).[8][9] At age 5–6, CT or CAT scans of the middle ear can be done to elucidate its development and clarify which patients are appropriate candidates for surgery to improve hearing. For younger individuals, this is done under sedation.

The hearing loss associated with congenital aural atresia is a conductive hearing loss—hearing loss caused by inefficient conduction of sound to the inner ear. Essentially, children with aural atresia have hearing loss because the sound cannot travel into the (usually) healthy inner ear—there is no ear canal, no eardrum, and the small ear bones (malleus/hammer, incus/anvil, and stapes/stirrup) are underdeveloped. 'Usually' is in parentheses because rarely, a child with atresia also has a malformation of the inner ear leading to a sensorineural hearing loss (as many as 19% in one study).[10] Sensorineural hearing loss is caused by a problem in the inner ear, the cochlea. Sensorineural hearing loss is not correctable by surgery, but properly fitted and adjusted hearing amplification (hearing aids) generally provide excellent rehabilitation for this hearing loss. If the hearing loss is severe to profound in both ears, the child may be a candidate for a cochlear implant (beyond the scope of this discussion).

Unilateral sensorineural hearing loss was not generally considered a serious disability by the medical establishment before the nineties; it was thought that the afflicted person was able to adjust to it from birth. In general, there are exceptional advantages to gain from an intervention to enable hearing in the microtic ear, especially in bilateral microtia. Children with untreated unilateral sensorineural hearing loss are more likely to have to repeat a grade in school and/or need supplemental services (e.g., FM system – see below) than their peers.[11][12]

Children with unilateral sensorineural hearing loss often require years of speech therapy in order to learn how to enunciate and understand spoken language. What is truly unclear, and the subject of an ongoing research study, is the effect of unilateral conductive hearing loss (in children with unilateral aural atresia) on scholastic performance. If atresia surgery or some form of amplification is not used, special steps should be taken to ensure that the child is accessing and understanding all of the verbal information presented in school settings. Recommendations for improving a child's hearing in the academic setting include preferential seating in class, an FM system (the teacher wears a microphone, and the sound is transmitted to a speaker at the child's desk or to an ear bud or hearing aid the child wears), a bone-anchored hearing aid (BAHA), or conventional hearing aids. Age for BAHA implantation depends on whether the child is in Europe (18 months) or the US (age 5). Until then it is possible to fit a BAHA on a softband[13][14]

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It is important to note that not all children with aural atresia are candidates for atresia repair. Candidacy for atresia surgery is based on the hearing test (audiogram) and CT scan imaging. If a canal is built where one does not exist, minor complications can arise from the body's natural tendency to heal an open wound closed. Repairing aural atresia is a very detailed and complicated surgical procedure which requires an expert in atresia repair.[15] While complications from this surgery can arise, the risk of complications is greatly reduced when using a highly experienced otologist. Atresia patients who opt for surgery will temporarily have the canal packed with gelatin sponge and silicone sheeting to prevent closure. The timing of ear canal reconstruction (canalplasty) depends on the type of external ear (Microtia) repair desired by the patient and family. Two surgical teams in the USA are currently able to reconstruct the canal at the same time as the external ear in a single surgical stage (one stage ear reconstruction).

In cases where a later surgical reconstruction of the external ear of the child might be possible, positioning of the BAHA implant is critical. Itunes 12 update. It may be necessary to position the implant further back than usual to enable successful reconstructive surgery – but not so far as to compromise hearing performance. If the reconstruction is ultimately successful, it is easy to remove the percutaneous BAHA abutment. If the surgery is unsuccessful, the abutment can be replaced and the implant re-activated to restore hearing.

External ear[edit]

The age when outer ear surgery can be attempted depends upon the technique chosen. The earliest is 7 for Rib Cartilage Grafts. However, some surgeons recommend waiting until a later age, such as 8–10 when the ear is closer to adult size. External ear prostheses have been made for children as young as 5.

For auricular reconstruction, there are several different options: Brave network discord.

  1. Rib Cartilage Graft Reconstruction: This surgery may be performed by specialists in the technique.[16][17][18][19][20] It involves sculpting the patient's own rib cartilage into the form of an ear. Because the cartilage is the patient's own living tissue, the reconstructed ear continues to grow as the child does. In order to be sure that the rib cage is large enough to provide the necessary donor tissue, some surgeons wait until the patient is 8 years of age;[19][20] however, some surgeons with more experience with this technique may begin the surgery on a child aged six.[17][18][21] The major advantage of this surgery is that the patient's own tissue is used for the reconstruction. This surgery varies from two to four stages depending on the surgeon's preferred method. A novel one stage ear reconstruction technique is performed by a few select surgeons. One team is able to reconstruct the entire external ear and ear canal in one operation.
  2. Reconstruct the ear using a polyethylene plastic implant (also called Medpor): This is a 1–2 stage surgery that can start at age 3 and can be done as an outpatient without hospitalization. Using the porous framework, which allows the patient's tissue to grow into the material and the patient's own tissue flap, a new ear is constructed in a single surgery. A small second surgery is performed in 3–6 months if needed for minor adjustments. Medpor was developed by John Reinisch.[22] This surgery should only be performed by experts in the techniques involved.[23] The use of porous polyethylene implants for ear reconstruction was initiated in the 1980s by Alexander Berghaus.[24]
  3. Ear Prosthesis: An auricular (ear) prosthesis is custom made by an anaplastologist to mirror the other ear.[25] Prosthetic ears can appear very realistic. They require a few minutes of daily care. They are typically made of silicone, which is colored to match the surrounding skin and can be attached using either adhesive or with titanium screws inserted into the skull to which the prosthetic is attached with a magnetic or bar/clip type system. These screws are the same as the BAHA (bone anchored hearing aid ) screws and can be placed simultaneously. The biggest advantage over any surgery is having a prosthetic ear that allows the affected ear to appear as normal as possible to the natural ear. The biggest disadvantage is the daily care involved and knowing that the prosthesis is not real.

Related conditions[edit]

Aural atresia is the underdevelopment of the middle ear and canal and usually occurs in conjunction with microtia. Atresia occurs because patients with microtia may not have an external opening to the ear canal, though. However, the cochlea and other inner ear structures are usually present. The grade of microtia usually correlates to the degree of development of the middle ear.[9][15]Microtia is usually isolated, but may occur in conjunction with hemifacial microsomia, Goldenhar Syndrome or Treacher-Collins Syndrome.[26] It is also occasionally associated with kidney abnormalities (rarely life-threatening), and jaw problems, and more rarely, heart defects and vertebral deformities.[18]

Notable cases[edit]

  • Paul Stanley, vocalist and rhythm guitarist of Kiss, was born with grade III microtia of his right ear.

References[edit]

  1. ^Online Mendelian Inheritance in Man (OMIM): Microtia-Anotia - 600674
  2. ^Pretest self assessment and review for the USMLE, pediatrics, 12th edition, question 84, general pediatrics
  3. ^ abcdeLuquetti, Daniela V.; Heike, Carrie L.; Hing, Anne V.; Cunningham, Michael L.; Cox, Timothy C. (January 2012). 'Microtia: Epidemiology & Genetics'. American Journal of Medical Genetics. Part A. 158A (1): 124–139. doi:10.1002/ajmg.a.34352. ISSN1552-4825. PMC3482263. PMID22106030.
  4. ^Forrester, Mathias B.; Merz, Ruth D. (December 2005). 'Descriptive epidemiology of anotia and microtia, Hawaii, 1986-2002'. Congenital Anomalies. 45 (4): 119–124. doi:10.1111/j.1741-4520.2005.00080.x. ISSN0914-3505. PMID16359491.
  5. ^Zhang, Qing-guo; Zhang, Jiao; Yu, Pei; Shen, Hao (October 2009). 'Environmental and genetic factors associated with congenital microtia: a case-control study in Jiangsu, China, 2004 to 2007'. Plastic and Reconstructive Surgery. 124 (4): 1157–1164. doi:10.1097/PRS.0b013e3181b454d8. ISSN1529-4242. PMID19935299.
  6. ^Bly, Randall A.; Bhrany, Amit D.; Murakami, Craig S.; Sie, Kathleen C.Y. (November 2016). 'Microtia Reconstruction'. Facial Plastic Surgery Clinics of North America. 24 (4): 577–591. doi:10.1016/j.fsc.2016.06.011. ISSN1064-7406. PMC5950715. PMID27712823.
  7. ^Thomas, Daniel J. (August 2016). 'Could 3D bioprinted tissues offer future hope for microtia treatment?'. International Journal of Surgery (London, England). 32: 43–44. doi:10.1016/j.ijsu.2016.06.036. ISSN1743-9159. PMID27353851.
  8. ^De la Cruz A, Kesser BW (1999). 'Management of the Unilateral Atretic Ear'. In Pensak M (ed.). Controversies in Otolaryngology–Head and Neck Surgery. New York: Thieme Medical Publishers. pp. 381–385.
  9. ^ abKountakis SE, Helidonis E, Jahrsdoerfer RA (1995). 'Microtia grade as an indicator of middle ear development in aural atresia'. Arch Otolaryngol Head Neck Surg. 121 (8): 885–6. doi:10.1001/archotol.1995.01890080053010. PMID7619415.
  10. ^Vrabec JT, Lin JW (2010). 'Inner Ear Anomalies in Congenital Aural Atresia'. Otology & Neurotology. 31: 1421. doi:10.1097/mao.0b013e3181f7ab62.
  11. ^Bess FH, Tharpe AM (1986). 'Case History Data on Unilaterally Hearing-Impaired Children'. Ear and Hearing. 7: 14–19. doi:10.1097/00003446-198602000-00004.
  12. ^Bess FH, Tharpe AM (1988). 'Performance and Management of Children with Unilateral Sensorineural Hearing Loss'. Cand Audiol Supple. 30: 75–9. PMID3067327.
  13. ^Nicholson N, Christensen L, Dornhoffer J, Martin P, Smith-Olinde L (2011). 'Verification of speech spectrum audibility for pediatric baha softband users with craniofacial anomalies'. The Cleft Palate-Craniofacial Journal. 48 (1): 56–65. doi:10.1597/08-178. PMID20180710.
  14. ^Verhagen CV, Hol MK, Coppens-Schellekens W, Snik AF, Cremers CW (2008). 'The Baha Softband. A new treatment for young children with bilateral congenital aural atresia'. International Journal of Pediatric Otorhinolaryngology. 72 (10): 1455–9. doi:10.1016/j.ijporl.2008.06.009. PMID18667244.
  15. ^ abJahrsdoerfer RA, Kesser BW (1995). 'Issues on Aural Atresia for the facial Plastic Surgeon'. Facial Plastic Surgery. 11 (4): 274–277. doi:10.1055/s-2008-1064543. PMID9046615.
  16. ^Tanzer RC (1959). 'Total Reconstruction of the External Ear'. Plastic & Reconstructive Surgery. 23: 1–15. doi:10.1097/00006534-195901000-00001.
  17. ^ abBrent B (1999). 'Technical Advances with Autogenous Rib Cartilage Grafts—A Personal Review of 1,200 Cases'. Plastic & Reconstructive Surgery. 104 (2): 319–334. doi:10.1097/00006534-199908000-00001. PMID10654675.
  18. ^ abcBrent B (1992). 'Auricular Repair with Autogenous Rib Cartilage Grafts: Two Decades of Experience with 600 Cases'. Plastic & Reconstructive Surgery. 90 (3): 355–374. doi:10.1097/00006534-199209000-00001.
  19. ^ abFirmin F (1992). 'Microtie Reconstruction par la Technique de Brent'. Annals Chirurgie Plastica Esthetica. 1: 119.
  20. ^ abNagata S (1994). 'Modification of the Stages in Total Reconstruction of the Auricle: Part I. Grafting the Three-Dimensional Costal Cartilage Framework for Lobule-Type Microtia'. Plastic & Reconstructive Surgery. 93 (2): 221–30. doi:10.1097/00006534-199402000-00001. PMID8310014.
  21. ^Brent B (2000). 'The Team Approach to Treating the Microtia-Atresia Patient'. Otolaryngologic Clinics of North America. 33 (6): 1353–65, viii. doi:10.1016/s0030-6665(05)70286-3. PMID11449792.
  22. ^'MEDPOR Reconstruction For Mictrotia'. Cedars-Sinai Medical Center. Retrieved 19 October 2011.
  23. ^Reinisch JF, Lewin S (2009). 'Ear reconstruction using a porous polyethylene framework and temporoparietal fascia flap'. Facial Plast Surg. 25 (3): 181–9. doi:10.1055/s-0029-1239448. PMID19809950.
  24. ^Alexander Berghaus. Implantate für die rekonstruktive Chirurgie der Nase und des Ohres. Sammelwerk=Laryngo-Rhino-Otologie. Vol.86. 2007. Page 67–76. DOI=10.1055/s-2007-966301
  25. ^Tanner PB; Mobley SR. (2006). 'External Auricular and Facial Prosthetics: A Collaborative Effort of the Reconstructive Surgeon and Anaplastologist. Auricular Surgery: Aesthetic and Reconstructive'. Facial Plast Surg Clin North Am. 14 (2): 137–45, vi–vii. doi:10.1016/j.fsc.2006.01.003. PMID16750771.
  26. ^Huston Katsanis S, Cutting GR (July 2004). 'Treacher Collins Syndrome'. GeneReviews. PMID20301704.

Further reading[edit]

  • Bennun RD, Mulliken JB, Kaban LB, Murray JE (December 1985). 'Microtia: a microform of hemifacial microsomia'. Plast. Reconstr. Surg. 76 (6): 859–65. doi:10.1097/00006534-198512000-00010. PMID4070453.
  • Thorne, Charles (2013) ' Ear Reconstruction: Microtia'. Grabb & Smith's Plastic Surgery, 7th ed. Pages 283-294.

External links[edit]

Classification
  • ICD-10: Q17.2
  • ICD-9-CM: 744.23
  • OMIM: 600674
  • MeSH: D065817
  • DiseasesDB: 29876
External resources
Retrieved from 'https://en.wikipedia.org/w/index.php?title=Microtia&oldid=1009847420'

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It is important to note that not all children with aural atresia are candidates for atresia repair. Candidacy for atresia surgery is based on the hearing test (audiogram) and CT scan imaging. If a canal is built where one does not exist, minor complications can arise from the body's natural tendency to heal an open wound closed. Repairing aural atresia is a very detailed and complicated surgical procedure which requires an expert in atresia repair.[15] While complications from this surgery can arise, the risk of complications is greatly reduced when using a highly experienced otologist. Atresia patients who opt for surgery will temporarily have the canal packed with gelatin sponge and silicone sheeting to prevent closure. The timing of ear canal reconstruction (canalplasty) depends on the type of external ear (Microtia) repair desired by the patient and family. Two surgical teams in the USA are currently able to reconstruct the canal at the same time as the external ear in a single surgical stage (one stage ear reconstruction).

In cases where a later surgical reconstruction of the external ear of the child might be possible, positioning of the BAHA implant is critical. Itunes 12 update. It may be necessary to position the implant further back than usual to enable successful reconstructive surgery – but not so far as to compromise hearing performance. If the reconstruction is ultimately successful, it is easy to remove the percutaneous BAHA abutment. If the surgery is unsuccessful, the abutment can be replaced and the implant re-activated to restore hearing.

External ear[edit]

The age when outer ear surgery can be attempted depends upon the technique chosen. The earliest is 7 for Rib Cartilage Grafts. However, some surgeons recommend waiting until a later age, such as 8–10 when the ear is closer to adult size. External ear prostheses have been made for children as young as 5.

For auricular reconstruction, there are several different options: Brave network discord.

  1. Rib Cartilage Graft Reconstruction: This surgery may be performed by specialists in the technique.[16][17][18][19][20] It involves sculpting the patient's own rib cartilage into the form of an ear. Because the cartilage is the patient's own living tissue, the reconstructed ear continues to grow as the child does. In order to be sure that the rib cage is large enough to provide the necessary donor tissue, some surgeons wait until the patient is 8 years of age;[19][20] however, some surgeons with more experience with this technique may begin the surgery on a child aged six.[17][18][21] The major advantage of this surgery is that the patient's own tissue is used for the reconstruction. This surgery varies from two to four stages depending on the surgeon's preferred method. A novel one stage ear reconstruction technique is performed by a few select surgeons. One team is able to reconstruct the entire external ear and ear canal in one operation.
  2. Reconstruct the ear using a polyethylene plastic implant (also called Medpor): This is a 1–2 stage surgery that can start at age 3 and can be done as an outpatient without hospitalization. Using the porous framework, which allows the patient's tissue to grow into the material and the patient's own tissue flap, a new ear is constructed in a single surgery. A small second surgery is performed in 3–6 months if needed for minor adjustments. Medpor was developed by John Reinisch.[22] This surgery should only be performed by experts in the techniques involved.[23] The use of porous polyethylene implants for ear reconstruction was initiated in the 1980s by Alexander Berghaus.[24]
  3. Ear Prosthesis: An auricular (ear) prosthesis is custom made by an anaplastologist to mirror the other ear.[25] Prosthetic ears can appear very realistic. They require a few minutes of daily care. They are typically made of silicone, which is colored to match the surrounding skin and can be attached using either adhesive or with titanium screws inserted into the skull to which the prosthetic is attached with a magnetic or bar/clip type system. These screws are the same as the BAHA (bone anchored hearing aid ) screws and can be placed simultaneously. The biggest advantage over any surgery is having a prosthetic ear that allows the affected ear to appear as normal as possible to the natural ear. The biggest disadvantage is the daily care involved and knowing that the prosthesis is not real.

Related conditions[edit]

Aural atresia is the underdevelopment of the middle ear and canal and usually occurs in conjunction with microtia. Atresia occurs because patients with microtia may not have an external opening to the ear canal, though. However, the cochlea and other inner ear structures are usually present. The grade of microtia usually correlates to the degree of development of the middle ear.[9][15]Microtia is usually isolated, but may occur in conjunction with hemifacial microsomia, Goldenhar Syndrome or Treacher-Collins Syndrome.[26] It is also occasionally associated with kidney abnormalities (rarely life-threatening), and jaw problems, and more rarely, heart defects and vertebral deformities.[18]

Notable cases[edit]

  • Paul Stanley, vocalist and rhythm guitarist of Kiss, was born with grade III microtia of his right ear.

References[edit]

  1. ^Online Mendelian Inheritance in Man (OMIM): Microtia-Anotia - 600674
  2. ^Pretest self assessment and review for the USMLE, pediatrics, 12th edition, question 84, general pediatrics
  3. ^ abcdeLuquetti, Daniela V.; Heike, Carrie L.; Hing, Anne V.; Cunningham, Michael L.; Cox, Timothy C. (January 2012). 'Microtia: Epidemiology & Genetics'. American Journal of Medical Genetics. Part A. 158A (1): 124–139. doi:10.1002/ajmg.a.34352. ISSN1552-4825. PMC3482263. PMID22106030.
  4. ^Forrester, Mathias B.; Merz, Ruth D. (December 2005). 'Descriptive epidemiology of anotia and microtia, Hawaii, 1986-2002'. Congenital Anomalies. 45 (4): 119–124. doi:10.1111/j.1741-4520.2005.00080.x. ISSN0914-3505. PMID16359491.
  5. ^Zhang, Qing-guo; Zhang, Jiao; Yu, Pei; Shen, Hao (October 2009). 'Environmental and genetic factors associated with congenital microtia: a case-control study in Jiangsu, China, 2004 to 2007'. Plastic and Reconstructive Surgery. 124 (4): 1157–1164. doi:10.1097/PRS.0b013e3181b454d8. ISSN1529-4242. PMID19935299.
  6. ^Bly, Randall A.; Bhrany, Amit D.; Murakami, Craig S.; Sie, Kathleen C.Y. (November 2016). 'Microtia Reconstruction'. Facial Plastic Surgery Clinics of North America. 24 (4): 577–591. doi:10.1016/j.fsc.2016.06.011. ISSN1064-7406. PMC5950715. PMID27712823.
  7. ^Thomas, Daniel J. (August 2016). 'Could 3D bioprinted tissues offer future hope for microtia treatment?'. International Journal of Surgery (London, England). 32: 43–44. doi:10.1016/j.ijsu.2016.06.036. ISSN1743-9159. PMID27353851.
  8. ^De la Cruz A, Kesser BW (1999). 'Management of the Unilateral Atretic Ear'. In Pensak M (ed.). Controversies in Otolaryngology–Head and Neck Surgery. New York: Thieme Medical Publishers. pp. 381–385.
  9. ^ abKountakis SE, Helidonis E, Jahrsdoerfer RA (1995). 'Microtia grade as an indicator of middle ear development in aural atresia'. Arch Otolaryngol Head Neck Surg. 121 (8): 885–6. doi:10.1001/archotol.1995.01890080053010. PMID7619415.
  10. ^Vrabec JT, Lin JW (2010). 'Inner Ear Anomalies in Congenital Aural Atresia'. Otology & Neurotology. 31: 1421. doi:10.1097/mao.0b013e3181f7ab62.
  11. ^Bess FH, Tharpe AM (1986). 'Case History Data on Unilaterally Hearing-Impaired Children'. Ear and Hearing. 7: 14–19. doi:10.1097/00003446-198602000-00004.
  12. ^Bess FH, Tharpe AM (1988). 'Performance and Management of Children with Unilateral Sensorineural Hearing Loss'. Cand Audiol Supple. 30: 75–9. PMID3067327.
  13. ^Nicholson N, Christensen L, Dornhoffer J, Martin P, Smith-Olinde L (2011). 'Verification of speech spectrum audibility for pediatric baha softband users with craniofacial anomalies'. The Cleft Palate-Craniofacial Journal. 48 (1): 56–65. doi:10.1597/08-178. PMID20180710.
  14. ^Verhagen CV, Hol MK, Coppens-Schellekens W, Snik AF, Cremers CW (2008). 'The Baha Softband. A new treatment for young children with bilateral congenital aural atresia'. International Journal of Pediatric Otorhinolaryngology. 72 (10): 1455–9. doi:10.1016/j.ijporl.2008.06.009. PMID18667244.
  15. ^ abJahrsdoerfer RA, Kesser BW (1995). 'Issues on Aural Atresia for the facial Plastic Surgeon'. Facial Plastic Surgery. 11 (4): 274–277. doi:10.1055/s-2008-1064543. PMID9046615.
  16. ^Tanzer RC (1959). 'Total Reconstruction of the External Ear'. Plastic & Reconstructive Surgery. 23: 1–15. doi:10.1097/00006534-195901000-00001.
  17. ^ abBrent B (1999). 'Technical Advances with Autogenous Rib Cartilage Grafts—A Personal Review of 1,200 Cases'. Plastic & Reconstructive Surgery. 104 (2): 319–334. doi:10.1097/00006534-199908000-00001. PMID10654675.
  18. ^ abcBrent B (1992). 'Auricular Repair with Autogenous Rib Cartilage Grafts: Two Decades of Experience with 600 Cases'. Plastic & Reconstructive Surgery. 90 (3): 355–374. doi:10.1097/00006534-199209000-00001.
  19. ^ abFirmin F (1992). 'Microtie Reconstruction par la Technique de Brent'. Annals Chirurgie Plastica Esthetica. 1: 119.
  20. ^ abNagata S (1994). 'Modification of the Stages in Total Reconstruction of the Auricle: Part I. Grafting the Three-Dimensional Costal Cartilage Framework for Lobule-Type Microtia'. Plastic & Reconstructive Surgery. 93 (2): 221–30. doi:10.1097/00006534-199402000-00001. PMID8310014.
  21. ^Brent B (2000). 'The Team Approach to Treating the Microtia-Atresia Patient'. Otolaryngologic Clinics of North America. 33 (6): 1353–65, viii. doi:10.1016/s0030-6665(05)70286-3. PMID11449792.
  22. ^'MEDPOR Reconstruction For Mictrotia'. Cedars-Sinai Medical Center. Retrieved 19 October 2011.
  23. ^Reinisch JF, Lewin S (2009). 'Ear reconstruction using a porous polyethylene framework and temporoparietal fascia flap'. Facial Plast Surg. 25 (3): 181–9. doi:10.1055/s-0029-1239448. PMID19809950.
  24. ^Alexander Berghaus. Implantate für die rekonstruktive Chirurgie der Nase und des Ohres. Sammelwerk=Laryngo-Rhino-Otologie. Vol.86. 2007. Page 67–76. DOI=10.1055/s-2007-966301
  25. ^Tanner PB; Mobley SR. (2006). 'External Auricular and Facial Prosthetics: A Collaborative Effort of the Reconstructive Surgeon and Anaplastologist. Auricular Surgery: Aesthetic and Reconstructive'. Facial Plast Surg Clin North Am. 14 (2): 137–45, vi–vii. doi:10.1016/j.fsc.2006.01.003. PMID16750771.
  26. ^Huston Katsanis S, Cutting GR (July 2004). 'Treacher Collins Syndrome'. GeneReviews. PMID20301704.

Further reading[edit]

  • Bennun RD, Mulliken JB, Kaban LB, Murray JE (December 1985). 'Microtia: a microform of hemifacial microsomia'. Plast. Reconstr. Surg. 76 (6): 859–65. doi:10.1097/00006534-198512000-00010. PMID4070453.
  • Thorne, Charles (2013) ' Ear Reconstruction: Microtia'. Grabb & Smith's Plastic Surgery, 7th ed. Pages 283-294.

External links[edit]

Classification
  • ICD-10: Q17.2
  • ICD-9-CM: 744.23
  • OMIM: 600674
  • MeSH: D065817
  • DiseasesDB: 29876
External resources
Retrieved from 'https://en.wikipedia.org/w/index.php?title=Microtia&oldid=1009847420'

What is our mission?

We aim to assist youths being raised as Jehovah's Witnesses, who have come to realize Watchtower is not 'the truth', cope until they are able to leave home.

We provide a safe space to remind you that you are not alone, offering support and advice via our website and links to useful resources and forums.

Realizing Watchtower is not the truth is an overwhelming experience that can seem impossible to deal with. Whilst aimed at young ones, the wealth of information presented here will be of assistance to people of all ages interested in joining or leaving the religion.

Feeling Lost

If you are feeling lost, depressed or suicidal, please look at the article I Feel Lost. The way you feel is to be expected and it is important you look after yourself and know that support is available.

Internet Safety

Whilst it is always prudent to take precautions when using the internet, if you are one of Jehovah's Witnesses there are additional factors to consider if you are beginning to research questions about your beliefs. These are outlined at Safety on the Internet.

Jworghelpdesk Jw

What can you expect?

We are committed to providing articles, experiences, videos and content specifically tailored to youth planning to leave the Jehovah's Witnesses at some point in their lives, or those in the process of leaving.

Support contains critical information to help during this difficult period, such as coping strategies and where to go for support and aid.

Strategy helps plan for the future and approaches to assisted loved ones.

Jw Org Help Desk Phone Number

Experiences are from other youth that have experienced the same doubts and fears as you are going through, and show how they did survive and are happier for it. Some specially chosen ones are from older people that left decades ago to inspire you for your own future.

Beliefs succinctly explain why key Watchtower doctrine are wrong, highlighting an easy to remember key point in around a 5 minute read.

Highlighted Pages

LGBTQ+ Support provides a collection of articles and links to assist cope with the added trauma of being one Jehovah's Witness when not straight or binary.

Art From Former Jehovah's Witnesses highlights the art of talented individuals that may resonate with your personal journey.

Looking for evidence, experiences, support or something else?

We want to hear your story.

You have a unique story to tell, and we would love to hear it. We know how important it is to be discreet and will never share your personal details or contents of your email without your permission.





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