Presentation
Cough and left sided chest pain for 3 days.
Patient Data
Age: 45 years
Gender: Female
From the case:
Spine sign
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Left lower lobe consolidation suspicious for pneumonia, best seen on the lateral view as a "spine sign".
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Normal chest X-ray.
Case Discussion
The thoracic spine normally becomes increasingly lucent from superior to inferior. The "spine sign" occurs when consolidation is superimposed on the spine on the lateral view with loss of the normal increased lucency of the lower thoracic spine. Compare the appearance to the normal chest X-ray obtained 18 months prior.
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