147 results
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
Feeding Vessel Sign on Chest CT
 • Distinct pulmonary vessel leading into a lung nodule or
Vessel Sign on Chest ... CT • Distinct pulmonary ... leading into a lung ... #Pulmonary #diagnosis ... #radiology #clinical
Nodular pattern
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary TB: random nodules
3. Sarcoidosis: nodules with perilymphatic
Hypersensitivity pneumonitis ... : ill defined centrilobular ... next to pleura and ... #Clinical #Radiology ... #HRCT #CTChest
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
Hypersensitivity pneumonitis ... Hypersensitivity pneumonitis ... #Clinical #Diagnosis ... #Radiology #Pulmonary ... #CTChest #Nodular
Notice the honeycombing and the preference of the subpleural and basal lung areas. #Clinical #Radiology #CTChest
basal lung areas ... #Clinical #Radiology ... #CTChest #UIP # ... #Interstitial #Pneumonitis ... #ILD #RadiologyAssistant
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
Organizing Pneumonia - Clinical ... Organizing Pneumonia - Diagnosis ... eosinophilia pneumonia, Pulmonary ... Pneumonia #COP #BOOP #pulmonary ... #ILD #diagnosis
Notice the honeycombing and the preference of the subpleural and basal lung areas. #Clinical #Radiology #CTChest
basal lung areas ... #Clinical #Radiology ... #CTChest #UIP # ... #Interstitial #Pneumonitis ... LowerLungPredominance #ILD
Halo Sign on Chest CT
 • SPN or mass surrounded by a circumferential GGO
 • DDx:
Halo Sign on Chest ... sarcoidosis, mets to the lung ... Halo #Sign #CT #Lung ... #Pulmonary #diagnosis ... #radiology #clinical
Pulmonary complications of targeted therapy
-Immune checkpoint inhibitors (e.g. pembrolizumab)
-Pneumonitis is uncommon (~5% of patients) but can
Pulmonary complications ... associated with a clinical ... diagnosis pneumonitis ... #Clinical #Diagnosis ... #Radiology #Honc
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
idiopathic interstitial pneumonias ... responses of the lung ... #Diagnosis #Radiology ... #Pulmonary #CTChest ... IdiopathicInterstitialPneumonia #ILD