Right middle lobe segmental bronchi
Segmental bronchi · Lateral Medial
Lateral and medial segmental bronchi, which run forwards to the two anterior segments of the middle lobe lying against the right heart border and pericardium.
Traced from the start
- Trachea
- Right main bronchus
- Right middle lobe bronchus
- Right middle lobe segmental bronchi
Detail
- Segments
- Lateral (4), medial (5)
- Position
- Both anterior, against the pericardium, so consolidation effaces the right heart border
When it goes wrong
Right middle lobe pneumonia
Loss of the right heart border (silhouette sign) with a preserved right hemidiaphragm on the PA film
Practise this structure
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