13 results
The distribution of nodules shown on HRCT is the most important factor in making an accurate
nodules shown on HRCT ... in the nodular pattern ... Random distribution ... structures of the lung ... #NodularPattern
Algorithm for nodular pattern
The algorithm to distinguish perilymphatic, random and centrilobular nodules is the following:
- Look
Algorithm for nodular ... pattern The algorithm ... perilymphatic, random ... Radiology #Pulmonary #HRCT ... #CTChest #NodularPattern
Nodular pattern
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary TB: random nodules
3. Sarcoidosis: nodules with perilymphatic
Nodular pattern ... Miliary TB: random ... perilymphatic distribution ... Clinical #Radiology #HRCT ... CTChest #Nodular #Pattern
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
with a nodular pattern ... Miliary TB: random ... perilymphatic distribution ... perilymphatic distribution ... #NodularPattern
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
of interstitial lung ... CXR: Peripheral distribution ... consolidation and GG pattern ... , cavities • HRCT ... Anti-dsDNA, ANCA COP
Approach to the diagnosis of chronic hypersensitivity pneumonitis. 
*Consider additional test: bronchoscopy with bronchoalveolar lavage, transbronchial
transbronchial lung ... transbronchial lung ... cHP = chronic hypersensitivity ... pneumonitis; HRCT ... pulmonary #diagnosis #algorithm
Metastases
Metastases are the most common cause of multiple pulmonary masses.
Usually they vary in size and are
HRCT will demonstrate ... the random distribution ... centrilobular distribution ... disease to the lungs ... CXR #LungMets #Lung
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 ... in ground glass pattern ... Centrilobular distribution
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
responses of the lung ... have specific patterns ... morphologic findings on HRCT ... realise, that these patterns ... of NSIP, UIP, OP
First-line therapies for Asthma, Asthma-COPD Overlap and COPD

The diagnosis of COPD, asthma, and ACO initially requires
Asthma, Asthma-COPD ... Overlap and COPD ... of the type and pattern ... agonist; LAMA = long-acting ... #Differences #Algorithm