7 results
Halo Sign on Chest CT
 • SPN or mass surrounded by a circumferential GGO
 • DDx:
Halo Sign on Chest ... .2016.12.033 #Halo ... #Sign #CT #Lung ... #Pulmonary #diagnosis ... #radiology #clinical
Mosaic Attenuation on Chest CT
 • Variable attenuation seen on a chest CT in a lobular
Mosaic Attenuation ... .2016.12.033 #Mosaic ... Attenuation #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 ... Atoll #Reverse #Halo ... #Sign #CT #Lung ... #Pulmonary #diagnosis ... #radiology #clinical
Chronic Thromboembolic Pulmonary Hypertension (CTEPH) and Pulmonary Thromboendarterectomy
Chronic Thromboembolic Pulmonary Hypertension
Definition: mean pulmonary-artery pressure > 25mmHg
Plexiform-lesion formation Clinical ... not specific • Chest ... thromboembolic material, mosaic ... Ventilation-perfusion lung ... #management
It can be difficult to distinguish these three entities.
There are two diagnostic hints for further differentiation:
-
There are two diagnostic ... right with the pulmonary ... penicillamine) #Clinical ... #Radiology #CTChest ... MosaicAttenuation #Mosaic
Preoperative Risk Evaluation

Major Pre-Op Questions:
1. Does the patient have any modifiable risk factors that could be
event, follow ACC algorithm ... Change in clinical ... one post op Cardiology ... unless prior heart/lung ... stratification #diagnosis
Fleischner Society recommendations for follow-up of nodules
Previous chest radiographs should be reviewed to determine if the
mm depends on clinical ... definitive tissue diagnosis ... #Management #Radiology ... #CTChest #Fleischner ... Society #Followup #Pulmonary