34 results
Approach to the diagnosis of chronic hypersensitivity pneumonitis. 
*Consider additional test: bronchoscopy with bronchoalveolar lavage, transbronchial
hypersensitivity pneumonitis ... ; HRCT = high-resolution ... usual interstitial pneumonia ... #pulmonary #diagnosis ... algorithm #HP #ILD
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
other interstitial pneumonias ... , cavities • HRCT ... Idiopathic interstitial pneumonia ... , Pulmonary lymphoma ... #ILD #diagnosis
Upper lung zone preference is seen in:
- Inhaled particles: pneumoconiosis (silica or coal)
- Smoking related diseases
Upper lung zone ... bronchiolitis (RB-ILD ... Hypersensitivity pneumonitis ... edema #Diagnosis #Radiology ... #Pulmonary #HRCT
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
idiopathic interstitial pneumonias ... morphologic findings on HRCT ... #Diagnosis #Radiology ... #Pulmonary #CTChest ... IdiopathicInterstitialPneumonia #ILD
Nodular pattern
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary TB: random nodules
3. Sarcoidosis: nodules with perilymphatic
Nodular pattern 1. ... Hypersensitivity pneumonitis ... : ill defined centrilobular ... #Clinical #Radiology ... #HRCT #CTChest
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Pseudomonas FUNGAL PNEUMONIAS ... • CT: Halo sign ... - 20% of pneumonias ... HIV PARASITIC PNEUMONIAS ... Infections #HIV #AIDS #pulmonary
COVID-19 Patterns of Lung Findings on Chest CT
1. Reverse Halo Sign
2. ARDS
3. Crazy-Paving Pattern
4. Bilateral Peripheral
19 Patterns of Lung ... CT 1. ... Organizing Pneumonia ... #Pulmonary #ChestCT ... #radiology #CTChest
High Attenuation pattern (2) 
1. Non specific interstitial pneumonitis (NSIP): ground glass with traction bronchiectasis, no
Attenuation pattern (2) 1. ... specific interstitial pneumonitis ... Cryptogenic organizing pneumonia ... #Clinical #Radiology ... #HRCT #CTChest
Causes of Interstitial Lung Disease - Differential Diagnosis Algorithm
Idiopathic Interstitial Pneumonia
 • (UIP) Usual Interstitial Pneumonia
this should be 1° ... Lymphangioleiomyomatosis (LAM), • Pulmonary ... leaking out of pulmonary ... Chronic Radiation Pneumonitis ... #Diseases #ILD
HRCT findings in Chronic eosinophilic pneumonia
Peripheral consolidations with upper lobe predominance (photo negative of pulmonary edema).
On
HRCT findings in ... photo negative of pulmonary ... contrast enhanced CT ... #Clinical #Radiology ... #CTChest #Chronic