释义 |
spine sign spine signresistance to flexion of the spine in cases of meningitis.A finding in a plain lateral chest film consisting of a paradoxical increase in radiologic opacity over the lower spine/vertebra, suggesting the presence of a lower lobe pneumonia. The sign is generally regarded as helpful when evaluating the left lower lobe for pathology, as it may be obscured by the heart on postero-anterior (PA) chest films |