24 results
Mediastinal Widening - Differential Diagnosis

 • Vascular: Aortic dissection, Aortic anourysm, Enlarged pulmonary arteries, Venous or
Diagnosis • ... Upper or middle lobe ... collapse, Atelectasis ... Pericardial effusion • CXR ... #Diagnosis #pulmonary
Normal Hilar Anatomy on Chest X-Ray
The hilum is 95% vessels and while it is not important
Normal Hilar Anatomy ... branches and the pulmonary ... drdevrad #Hilar #Anatomy ... #Chest #XRay #CXR ... #clinical #radiology
Longstanding Sarcoidosis
Here a typical chest film in a patient with long standing Sarcoidosis (stage IV).
There is
Here a typical chest ... The differential ... diagnosis includes ... #Clinical #Radiology ... #CXR #Lateral #
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Weakness, Loss of Chest ... Left Shunt - Anatomic ... Fibrosis, Interstitial ... Hypoxia #hypoxemia #differential ... #diagnosis
Upper Lobe Lung Diseases - STAR CHASERS Mnemonic

S - Silicosis
T - Tuberculosis
A - Ankylosing Spondylitis
R -
Radiation C - Cystic Fibrosis ... caused by a rigid chest ... clearance: - Cystic Fibrosis ... lung #diseases #differential ... #diagnosis #mnemonic
Miliary Pattern - Chest Radiology
 • Miliary opacities are scattered, small (1 -4 mm) nodules
 •
inhalational injury Differential ... Diagnosis of Miliary ... #Radiology #differential ... #diagnosis #pulmonary ... #CXR #clinical
There is a hydropneumothorax.
Notice the air-fluid level (blue arrow).
The upper lobe is still attached to the
attached to the chest ... is a possible diagnosis ... airways leading to pulmonary ... #Clinical #Radiology ... #CXR #Pneumothorax
Pleuroparenchymal Fibroelastosis (PPFE) on Chest CT
47 M with idiopathic pleuroparenchymal fibroelastosis. Typical imaging findings:
- Upper lobe
Fibroelastosis (PPFE) on Chest ... findings: - Upper lobe ... subpleural and pleural fibrosis ... ChestCT #radiology #clinical ... #pulmonary #CXR
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
Causes: • Cystic fibrosis ... evidence of cystic fibrosis ... parenchyma Diagnosis ... #differential # ... diagnosis
Cavities frequently arise within a mass or an area of consolidation as a result of necrosis.
We
diagnosis there ... without associated pulmonary ... with end-stage fibrosis ... #Clinical #Diagnosis ... #Radiology #CTChest