PA
Normal | Else
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| Highest level of dome od diaphragm > 1.5 cm above line b/n costophrenic & vertebrophrenic junctions
| Empysema
| Paratracheal stripe < 10 mm
| CHF, lymphoma, bronchogenic cyst
| Main PA < 3 cm
| Indicative of PA hypertension
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Cavity wall:
< 5 mm → infection
> 10 mm → SCC
Vertebral body height decreased > 20% = compression #
If anterior → wedge #
If posterior → crush #
If middle → biconcave #
If adjacent endplate sclerosis → acute #
burst #
Chance #