22 results
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
responses of the lung ... involvement of the lung ... listed in the table ... #Diagnosis #Radiology ... IdiopathicInterstitialPneumonia #ILD
Lobar pneumonia
On the chest x-ray there is an ill-defined area of increased density in the right
x-ray there is an ill-defined ... Notice the air-bronchogram ... In the proper clinical ... weight loss or long ... #Clinical #Radiology
Upper lung zone preference is seen in:
- Inhaled particles: pneumoconiosis (silica or coal)
- Smoking related diseases
Upper lung zone ... bronchiolitis (RB-ILD ... Pulmonary edema #Diagnosis ... #Radiology #Pulmonary ... #Differential #Table
Septic emboli
Septic emboli usually present as multiple ill-defined nodules.
In about 50% cavitation is seen.
CT demonstrates more
CT demonstrates ... can suggest the diagnosis ... in the proper clinical ... On the CT cavitation ... #Clinical #Radiology
Air Bronchogram Sign on Chest CT
 • Patent airways surrounded by opacified lung
 • DDx: pna,
Sign on Chest CT ... edema, severe ILD ... #Lung #Pulmonary ... #diagnosis #radiology ... #clinical
Notice that there are multiple densities in both lungs.
The larger ones are ill-defined and maybe there
densities in both lungs ... maybe there is an air-bronchogram ... the differential diagnosis ... Biopsy revealed the diagnosis ... #Clinical #Radiology
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Lung Abscess - Diagnosis ... for Klebsiella pneumonia ... Lung Abscess - Clinical ... lat decubitus - air ... seen • Chest CT
Miliary Pattern - Chest Radiology
 • Miliary opacities are scattered, small (1 -4 mm) nodules
 •
Pattern - Chest Radiology ... throughout the lungs ... rarely typical pneumonia ... Pattern #Chest #Radiology ... #CT
Tram Track Sign on Chest CT
 • Parallel, non-tapering airways, extending to the lung periphery.
 •
Sign on Chest CT ... extending to the lung ... bronchiectasis, CF, ILD ... #diagnosis #radiology ... #clinical
Whistling Cough- A 4-year-old boy presented to the otorhinolaryngology outpatient clinic with a 2-day history of
Cough- A 4-year-old ... otorhinolaryngology outpatient clinic ... #NEJM #clinical ... #radiology #chest ... #xray #peds #respiratory