Deep sulcus sign
| Deep sulcus sign | |
|---|---|
 | |
| Pneumothorax left sided | |
| Differential diagnosis | pneumothorax |
In
costophrenic angle is abnormally deepened when the pleural air collects laterally, producing the deep sulcus sign.[4]
Patients with chronic obstructive pulmonary disease (COPD) may exhibit deepened lateral costophrenic angles due to hyperinflation of the lungs and cause a false deep sulcus sign.[4]
References
- PMID 7384513.[permanent dead link]
- PMID 12893899.
- PMID 22316448.
- ^ a b El-Feky M (July 8, 2022). "Deep sulcus sign (chest)". Radiopaedia. Retrieved February 6, 2023.