16 results
Comet Tail Sign on Chest CT
 • Curvilinear pleural based opacity directed towards the ipsilateral hilum
Comet Tail Sign ... on Chest CT • Curvilinear ... • DDx: Rounded atelectasis ... #CT #Lung #Pulmonary ... #diagnosis #radiology
Air Bronchogram Sign on Chest CT
 • Patent airways surrounded by opacified lung
 • DDx: pna,
Air Bronchogram Sign ... on Chest CT • ... non-obstructive atelectasis ... #CT #Lung #Pulmonary ... #diagnosis #radiology
Bronchiectasis is defined as localized bronchial dilatation.
The diagnosis of bronchiectasis is usually based on a combination
the peripheral lung ... lumen - associated atelectasis ... #Diagnosis #Radiology ... #Pulmonary #Bronchiectasis ... #Differential #RadiologyAssistant
Rounded atelectasis
The typical findings of rounded atelectasis on CT are pleural thickening, pleural-based mass and comet
on CT are pleural ... and comet tail sign ... The underlying lung ... #Diagnosis #Radiology ... #RadiologyAssistant
Size
A solitary pulmonary nodule (SPN) is defined as a single intraparenchymal lesion less than 3 cm
associated with atelectasis ... cohort at high risk ... for lung cancer ... listed in the table ... #EBM #Radiology
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Lung Abscess - Diagnosis ... pneumonia • DM risk ... seen • Chest CT ... • Vasculitis (e.g ... #Abscess #pulmonary
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
listed in the table ... vascular diseases (e.g ... #Diagnosis #Radiology ... #Pulmonary #CTChest ... ILD #Findings #RadiologyAssistant
Preoperative Risk Evaluation

Major Pre-Op Questions:
1. Does the patient have any modifiable risk factors that could be
indicated • EKG ... Obtain EKG if: ... unless prior heart/lung ... medical and surgical management ... stratification #diagnosis
he CT shows a lesion that originates in the lung.
Many would have a lungcancer on the
he CT shows a lesion ... originates in the lung ... their differential diagnostic ... #Clinical #Radiology ... #RadiologyAssistant
Risk factors
Defining high- or low-risk is currently more difficult than it was in the old guideline.
Previously
smoking, history of lung ... characteristics alone (See Table ... #Diagnosis #Epidemiology ... #Radiology #Pulmonary ... PulmonaryNodule #Nodule #RadiologyAssistant