Can you 'dig deep' to spot the sign?
Diagnosis?
Diagnosis?
Deep sulcus sign
Pneumothorax.
Pneumothorax.
On a supine chest Xray (common in ICUs or as part of a trauma Xray series), it may be the only suggestion of a pneumothorax
👉because air collects anteriorly and basally, within the non-dependent portions of the pleural space, as opposed to the apex when the patient is upright
👉because air collects anteriorly and basally, within the non-dependent portions of the pleural space, as opposed to the apex when the patient is upright
Ddx
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.
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.
Radiopedia
by Mostafa El-Feky
by Mostafa El-Feky
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