31 results
Lung Segment Anatomy Annotated on Chest CT
Right Lung:
 • Upper Lobe: Apical, Posterior, Anterior
 • Middle
Anatomy Annotated on Chest ... Lobe: Lateral, Medial ... radiopaedia.org/cases ... #CT #CTChest #pulmonary ... #clinical #radiology
Halo Sign on Chest CT
 • SPN or mass surrounded by a circumferential GGO
 • DDx:
Halo Sign on Chest ... CT • SPN or mass ... #Sign #CT #Lung ... #Pulmonary #diagnosis ... #radiology #clinical
Cardiac incisura
Click image to enlarge.
On the right side of the chest the lung will lie against
not reach the anterior ... This causes a density ... #Clinical #Radiology ... #CXR #Lateral # ... Cardiac #Incisura #RadiologyAssistant
The PA-film shows a silhouette sign of the left heart border.
Even without looking at the lateral
shows a silhouette sign ... must be located anteriorly ... to a pneumonia caused ... #Clinical #Radiology ... #CXR #Pneumonia
Hilum Overlay Sign on Chest X-Ray
If a mass is in contact with the pulmonary vessels then,
on Chest X-Ray ... contact with the pulmonary ... hilum: In this case ... #Chest #XRay #clinical ... #radiology #CXR
Atoll Sign (Reverse-Halo Sign) on Chest CT
 • Central GGO surrounded by a crescentic or circumferential
Atoll Sign (Reverse-Halo ... Sign) on Chest ... #Sign #CT #Lung ... #Pulmonary #diagnosis ... #radiology #clinical
Here are the most common examples of these four patterns on a chest x-ray (click image
patterns on a chest ... mass - Solitary Pulmonary ... Atelectasis #Diagnosis #Clinical ... #Radiology #CXR ... Consolidation #Patterns #RadiologyAssistant
Septic emboli
Septic emboli usually present as multiple ill-defined nodules.
In about 50% cavitation is seen.
CT demonstrates more
CT demonstrates ... lesions than the chest ... #Clinical #Radiology ... #CXR #CTChest # ... SepticEmboli #Cavity #RadiologyAssistant
Luftsichel Sign in Left Upper Lobe Collapse - Chest X-Ray

An upper lobe collapse causes the collapse
Luftsichel Sign ... segments to be pushed anteriorly ... LUL #Collapse #clinical ... #radiology #Chest ... #XRay #CXR
Air Bronchogram - Portable anterior–posterior chest radiography showed dense airspace disease with bilateral hemithorax opacification and
chest radiography ... sign in which the ... #Clinical #Radiology ... #CXR #AirBronchogram ... #Bronchogram #NEJM