21 results
Upper lung zone preference is seen in:
- Inhaled particles: pneumoconiosis (silica or coal)
- Smoking related diseases
Upper lung zone ... centrilobular emphysema - Respiratory ... edema #Diagnosis ... #HRCT #ChestCT ... #Differential #Table
CAVITY – a useful mnemonic for the causes of a cavitating lung mass.

C = cancer
arthritis (rheumatoid nodules ... staph aureus) T = trauma ... bronchogenic cyst #Diagnosis ... Cavitary #Lesions #Differential ... #Lung #Pulmonary
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... in interstitial lung ... patterns: reticular, nodular ... is interstitial lung ... #Pulmonary #CXR
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
diseases with a nodular ... Respiratory bronchiolitis ... #Clinical #Diagnosis ... #Radiology #Pulmonary ... NodularPattern #Differential
Ground-glass opacity
Ground-glass opacity (GGO) represents:
- Filling of the alveolar spaces with pus, edema, hemorrhage, inflammation or
resolution of the HRCT ... or interstitial lung ... bronchiolitis #Diagnosis ... #Radiology #Pulmonary ... #GroundGlass #Differential
Solitary Pulmonary Nodule
Click here for more detailed information about Solitary Pulmonary Nodule
A solitary pulmonary nodule or
pulmonary nodule ... surrounded by lung ... The differential ... diagnosis of SPN ... benign granulomas, while
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
Organizing Pneumonia - Clinical ... irregular lines, nodular ... , cavities • HRCT ... Organizing Pneumonia - Diagnosis ... #ILD #diagnosis
Acute Respiratory Distress Syndrome – ARDS: Clinical Cheat Sheet

An acute diffuse, inflammatory lung injury, leading to
Acute Respiratory ... Syndrome – ARDS: Clinical ... leading to increased pulmonary ... cause such as trauma ... Summary #CheatSheet #Diagnosis
Berlin Criteria for Acute Respiratory Distress Syndrome (ARDS) 
- Respiratory symptoms must have begun within one
week of a known clinical ... consistent with pulmonary ... lobar collapse, lung ... nodules ... Definition #Criteria #Diagnosis
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
centrilobular nodules ... in the adjacent lung ... : • HRCT (high-resolution ... #differential # ... diagnosis