Feb 21, 2024 · The stag's antler sign, also known as the hands-up or inverted moustache sign, refers to upper lobe pulmonary venous diversion in pulmonary venous hypertension or pulmonary edema as seen on an erect frontal chest radiograph.

Aug 30, 2016 · Antler sign and inverted moustache sign are self explanatory as the appearance of the prominent upper lobe vessels seen together on both sides resemble them. Cephalization suggests the prominence of upper lobe vessels more than the lower zone vessels, which the inverse of normal.

Aug 17, 2023 · The presence of an "antler sign" on the chest CT scan with contrast, in addition to evidence of bronchial obstruction or abnormal fissure orientation, indicates lung torsion and requires confirmation by performing reconstructions of 3-dimensional views of the CT scan.

Apr 23, 2020 · The antler sign is an uncommon sign of lung torsion on CT where branches from the main pulmonary artery all arise from a single side, indicating twisting of the lobe or lung. In the normal lung, the main pulmonary arteries are straight and lobar and segmental branches arise from it on both sides.

Apr 8, 2024 · These are the dilated upper lobe vessels, in a person with pulmonary venous hypertension and this is known as the antler sign. Other names are inverted moustache sign, cephalization, and redistribution.

Oct 13, 2017 · The antler sign, defined by abnormal curvature and “one-sided” branching of the pulmonary artery, is a sign of lung torsion visible on 2-dimensional contrast-enhanced CT images. This sign is due to the twisting and swirling of hilar vasculature that is more readily demonstrated on 3-dimensional images.

Jan 30, 2017 · The prominence of upper lobe pulmonary veins resemble stag's antler. It is the earliest sign of pulmonary venous hypertension (grade 1 pulmonary edema). This sign is also known as hands-up sign or inverted moustache sign.

Oct 10, 2018 · Pulmonary venous hypertension results in redirection of blood in the pulmonary veins to the upper zones. The most common causes are left heart failure and fluid overload.

2 University of New England, Armidale, New South Wales, Australia. 3 Medical Imaging, University of Sydney, Sydney, New South Wales, Australia. Keywords: lung torsion; pulmonary venous hypertension.

The stag's antler sign, also known as the hands-up or inverted moustache sign, refers to upper lobe pulmonary venous diversion in pulmonary venous hypertension or pulmonary edema as seen on an erect frontal chest radiograph. The prominence of upper lobe pulmonary veins resembles a …