11 results
Central distribution is seen in sarcoidosis and cardiogenic pulmonary edema.
Peripheral distribution is mainly seen in cryptogenic
Central distribution ... and cardiogenic pulmonary ... #Diagnosis #Radiology ... #Pulmonary #HRCT ... #Differential #Table
Upper lung zone preference is seen in:
- Inhaled particles: pneumoconiosis (silica or coal)
- Smoking related diseases
Upper lung zone ... edema #Diagnosis ... #Radiology #Pulmonary ... #HRCT #ChestCT ... #Distribution #
The distribution of nodules shown on HRCT is the most important factor in making an accurate
nodules shown on HRCT ... making an accurate diagnosis ... structures of the lung ... #Diagnosis #Radiology ... #Pulmonary #HRCT
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... in interstitial lung ... low attenuation (table ... #Diagnosis #Radiology ... #Pulmonary #CXR
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 ... Centrilobular distribution ... bronchiolitis #Diagnosis ... #Radiology #Pulmonary
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
responses of the lung ... listed in the table ... morphologic findings on HRCT ... #Diagnosis #Radiology ... #Pulmonary #CTChest
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
CXR: Peripheral distribution ... , cavities • HRCT ... Organizing Pneumonia - Diagnosis ... #ILD #diagnosis ... #management
Monteggia Fracture 
Fracture of proximal ulnar shaft with radial head dislocation. Remember “MUGR” to recall where
Splint: Posterior long ... • If stable ... Forearm #Ulnar #Radiology ... #XRay #Diagnosis ... #Proximal #MSK
Septal thickening
Thickening of the lung interstitium by fluid, fibrous tissue, or infiltration by cells results in
Thickening of the lung ... with interstitial lung ... (Table). ... #Diagnosis #Radiology ... #Pulmonary #HRCT
Sarcoidosis - Diagnosis and Management Summary
Epidemiology
1) High incidence in Scandinavian countries (11-24 cases per 100,000 individuals
and Management ... granulomas within the lungs ... Pulmonary: dyspnea ... anterior/posterior MSK ... #Management #Signs