11 results
Upper lung zone preference is seen in:
- Inhaled particles: pneumoconiosis (silica or coal)
- Smoking related diseases
Upper lung zone ... centrilobular emphysema - Respiratory ... bronchiolitis (RB-ILD ... edema #Diagnosis ... #HRCT #ChestCT
Interstitial Lung Diseases (ILD)
Exposure-Related ILD (a.k.a. extrinsic allergic alveolitis): 
 • Hypersensitivity pneumonitis, Farmer's lung, Bird
organizing pneumonia (COP ... ), Respiratory bronchiolitis-interstitial ... lung disease (RB-ILD ... #diagnosis #differential ... #pulmonary #causes
More than 100 entities manifest as diffuse lung disease.
Fortunately only about 10 of these account for
also uncommon HRCT-presentations ... some of them the old ... #Pulmonary #SHITFACED ... #Mnemonic #HRCT ... #RadiologyAssistant
Algorithm for Management of Acute Exacerbation of COPD (AECOPD)

Obtain workup for alternate diagnoses and relevant comorbidities:
for alternate diagnoses ... limitation (GOLD Ill ... ventilated • CXR, Lung ... 2 (or complete respiratory ... Exacerbation #treatment #pulmonary
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 ... #Differential #RadiologyAssistant
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
morphologic findings on HRCT ... #Diagnosis #Radiology ... #Pulmonary #CTChest ... IdiopathicInterstitialPneumonia #ILD ... #Findings #RadiologyAssistant
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
, cavities • HRCT ... Organizing Pneumonia - Diagnosis ... eosinophilia pneumonia, Pulmonary ... #BOOP #pulmonary ... #ILD #diagnosis
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
obstruction • COPD ... in the adjacent lung ... of the affected lung ... parenchyma Diagnosis ... : • HRCT (high-resolution
Abnormalities in Rate and Rhythm of Breathing 
Normal 
The respiratory rate is about 14—20 per min
including restrictive lung ... bronchitis, and COPD ... Breathing #Patterns #Pulmonary ... Abnormalities #Abnormal #Diagnosis ... #PhysicalExam
Acute interstitial pneumonia (AIP, earlier named Hamman Rich Pneumonitis) is a rare idiopathic lung disease characterized
rare idiopathic lung ... indistinguishable from acute respiratory ... suggestive of the diagnosis ... AcuteInterstitialPneumonia #ILD ... #RadiologyAssistant