D2I2.
congenital

Choanal atresia

Choanal atresia is a disorder where the back of the nasal passage (choana) is blocked, usually by abnormal bony or soft (membranous) due to failed hole development of the nasal fossae during development. It causes persistent rhinorrhea, and with choanal atresia, an obstructed that can cause cyanosis and hypoxia.

Underlined words are explained — tap any of them.

Symptoms — what it feels like

  • ·difficulty breathing, cyanosis

Causes — why it happens

  • ·developmental problem with nasal and palate

How it's found

  • ·inability to place nasal catheter, CT scan

Treatment

  • · to reopen the

Complications

  • ·cyanosis, hypoxia

Outlook

  • ·unilateral: very good
  • ·: good with successful
Plain-language summary adapted from Wikipedia. Not medical advice.