12 results
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
Atoll Sign (Reverse-Halo Sign) on Chest CT
 • Central GGO surrounded by a crescentic or circumferential
Sign (Reverse-Halo ... CT • Central GGO ... #Sign #CT #Lung ... #Pulmonary #diagnosis ... #radiology #clinical
Mosaic Attenuation on Chest CT
 • Variable attenuation seen on a chest CT in a lobular
CT • Variable ... BO, CTEPH, PJP, CEP ... #Lung #Pulmonary ... #diagnosis #radiology ... #clinical
Tram Track Sign on Chest CT
 • Parallel, non-tapering airways, extending to the lung periphery.
 •
CT • Parallel, ... bronchiectasis, CF ... #Lung #Pulmonary ... #diagnosis #radiology ... #clinical
Miliary Pattern - Chest Radiology
 • Miliary opacities are scattered, small (1 -4 mm) nodules
 •
throughout the lungs ... #Radiology #differential ... #diagnosis #pulmonary ... #CXR #clinical ... #CT
This is a parasternal long axis view of a young patient presenting with 3 days of
a parasternal long ... x-ray and and ECG ... Michael Macias, EM ... Northwestern University #Clinical ... #EM #Radiology
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Lung Abscess - Clinical ... CT Lung Abscess ... Cavitation > 6 cm ... #Abscess #pulmonary ... #differential #
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
massiliense in CF ... Disease: Clinical ... Disease: • Clinical ... Imaging, high res CT ... NTM #Infections #differential
CT will also demonstrate signs of congestive heart failure.
On the image on the left notice the
CT will also demonstrate ... dependent part of the lungs ... be high in the differential ... #Clinical #Radiology ... #CTChest #CHF #
Preoperative Risk Evaluation

Major Pre-Op Questions:
1. Does the patient have any modifiable risk factors that could be
disease b) CHF ... Obtain EKG if: ... Change in clinical ... one post op Cardiology ... unless prior heart/lung