Dec 9, 2025 · The deep sulcus sign on a supine chest radiograph raises suspicion of a pneumothorax.

Dec 7, 2020 · lumpy appearance of the cardiac contour representing change in shape of the pericardial fat: pericardial fat tag sign Pitfalls The subtle signs of a supine pneumothorax may be simulated by …

The frontal chest view shows a left pneumothorax. Note the deep sulcus on the left.

deep sulcus sign: air in the pleural cavity collects in the anterolateral pleural space outlining the deep costophrenic angle increased clarity or sharpness of the ipsilateral hemidiaphragm

The deep sulcus sign occurs due to air gathering in the ventral parts of the hemithorax when the patient is supine. Supine radiographs may be acquired with a slightly elevated upper body (e.g., 30°) to …

Nov 6, 2025 · The (deep) lateral femoral notch sign describes a depression on the lateral femoral condyle at the terminal sulcus, a junction between the weight-bearing tibial articular surface and the …

Air projecting over and lateral to the diaphragm results in increased lucency of the diaphragm and deepening of the lateral costophrenic sulcus. The deep sulcus sign may be the only finding of a …

The deep sulcus sign is concerning for pneumothorax or in this case hydropneumothorax. The increased pressure within the chest cavity compresses the lung and pushes down on the diaphragm creating a …

Deep sulcus sign depicts pneumothorax in the supine position as air ascends to the non-dependent pleural space outlining the anterior costophrenic recess/sulcus.

The endotracheal tube, feeding tube, and left subclavian catheter are appropriately positioned. A left-sided "deep sulcus" sign indicates the presence of a left pneumothorax.