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Chest

Tracheal Bronchus, Pig Bronchus or Bronchus Suis

History: 60 year old male undergoing chest CT for follow up of a lung mass.

Coronal CT scan of the chest shows an accessory bronchus arising from the right lateral wall of the trachea (arrow) a few centimeters above the level of the carina.

Coronal CT scan of the chest shows an accessory bronchus arising from the right lateral wall of the trachea (arrow) a few centimeters above the level of the carina.

This anatomical variant is referred to as a tracheal bronchus. When the entire upper lobe is supplied by the accessory bronchus, it is called a pig bronchus. An excellent article summarizing these anatomical variants is present here. These variant bronchi are seen in about 0.1-2% of the population, and typically arise from the right side of the trachea. They place the patient at risk for recurrent pneumonia in the lobe supplied by the accessory bronchus.

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About radiologypics

I am a radiology physician from California, USA.

Discussion

One thought on “Tracheal Bronchus, Pig Bronchus or Bronchus Suis

  1. フェラガモ 財布 メンズ

    Posted by カバン 通販 | November 6, 2013, 6:24 pm

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