(Q16.1) Congenital absence, atresia and stricture of auditory canal (external)

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40 593 in individuals diagnosis congenital absence, atresia and stricture of auditory canal (external) confirmed

Diagnosis congenital absence, atresia and stricture of auditory canal (external) is diagnosed Men are 16.73% more likely than Women

23 693

Men receive the diagnosis congenital absence, atresia and stricture of auditory canal (external)

0 (less than 0.1%)

Died from this diagnosis.

100
95
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75
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60
55
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15
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16 900

Women receive the diagnosis congenital absence, atresia and stricture of auditory canal (external)

0 (less than 0.1%)

Died from this diagnosis.

Risk Group for the Disease congenital absence, atresia and stricture of auditory canal (external) - Men aged 15-19 and Women aged 10-14

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In Men diagnosis is most often set at age 0-44, 50-64
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Less common in men the disease occurs at Age 45-49, 65-95+Less common in women the disease occurs at Age 45-54, 60-74, 80-95+
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In Women diagnosis is most often set at age 0-44, 55-59, 75-79

Disease Features congenital absence, atresia and stricture of auditory canal (external)

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Absence or low individual and public risk
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Congenital absence, atresia and stricture of auditory canal (external) - what does this mean

Congenital absence, atresia and stricture of the auditory canal (external) is a rare disorder that is present at birth and is caused by abnormal development of the outer ear canal. it is characterized by a narrowing or complete blockage of the ear canal, leading to hearing loss. it can also be associated with other malformations of the outer ear, such as a small or absent pinna or ear lobe.

What happens during the disease - congenital absence, atresia and stricture of auditory canal (external)

Congenital absence, atresia and stricture of auditory canal (external) is a rare condition caused by a defect in the development of the external auditory canal during gestation. this defect results in a narrowing or complete closure of the external auditory canal, which can lead to hearing loss, infection, and other complications. in some cases, the condition is linked to genetic mutations, but in others, it is caused by environmental factors.

Clinical Pattern

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How does a doctor diagnose

  • Physical examination
  • CT scan
  • MRI scan
  • Audiogram
  • Endoscopy of the external auditory canal
  • Auditory brainstem response (ABR)
  • Tympanometry

Treatment and Medical Assistance

Main Goal: To treat the congenital absence, atresia and stricture of the auditory canal (external).
  • Conduct a physical examination of the patient
  • Perform a CT scan of the ear to identify the exact location and extent of the deformities
  • Perform a hearing test to assess the extent of hearing loss
  • Perform an endoscopy to identify any obstruction or narrowing of the auditory canal
  • Perform a tympanoplasty to reconstruct the auditory canal
  • Perform a mastoidectomy to remove any obstructions in the auditory canal
  • Perform a stapedectomy to reconstruct the ossicular chain
  • Perform a cochlear implant to restore hearing
  • Perform a myringoplasty to reconstruct the eardrum
  • Perform a tragal reconstruction to restore the normal shape of the ear
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8 Days of Hospitalization Required
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Average Time for Outpatient Care Not Established

Congenital absence, atresia and stricture of auditory canal (external) - Prevention

The best way to prevent congenital absence, atresia and stricture of the auditory canal (external) is to ensure that pregnant women receive regular prenatal care and are screened for any hearing loss or abnormalities. additionally, avoiding exposure to loud noises and certain medications during pregnancy may help reduce the risk of developing this condition.