21 results
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
Hypersensitivity pneumonitis ... Hypersensitivity pneumonitis ... bronchiolitis: ill ... Clinical #Diagnosis #Radiology ... #Pulmonary #CTChest
Here are the most common examples of these four patterns on a chest x-ray (click image
patterns on a chest ... consolidation - Multifocal ill-defined ... mass - Solitary Pulmonary ... Masses Atelectasis ... Diagnosis #Clinical #Radiology
Pulmonary complications of targeted therapy
-Immune checkpoint inhibitors (e.g. pembrolizumab)
-Pneumonitis is uncommon (~5% of patients) but can
Pulmonary complications ... checkpoint inhibitors (e.g ... exclusion: rule out infection ... There are case reports ... Clinical #Diagnosis #Radiology
Subacute hypersensitivity pneumonitis
The key findings in the subacute hypersensitivity pneumonitis are:
ill-defined centrilobular nodules of ground-glass opacity
are: ill-defined ... centrilobular nodules ... opacity (80% of cases ... #Clinical #Radiology ... #CTChest #Hypersensitivity
High-Res Chest CT Patterns - Differential Diagnosis Framework
Reticular:
 • Septal Thickening: Lymphangitic Carcinoma, Interstitial Edema, Alveolar
Low Attenuation Nodular ... Hypersensitivity Pneumonitis ... Honeycombing: Idiopathic Pulmonary ... Differential #Diagnosis #pulmonary ... #radiology
Causes of Interstitial Lung Disease - Differential Diagnosis Algorithm
Idiopathic Interstitial Pneumonia
 • (UIP) Usual Interstitial Pneumonia
Causes of Interstitial ... intersitial space Infection ... Metastases to lung as nodules ... Chronic Radiation Pneumonitis ... Lung #Diseases #ILD
Radiographic appearances of pulmonary diseases in HIV/AIDS Patients
 • Diffuse Interstitial Infiltrates: Pneumocystis jirovecii, M.tuberculosis, Histoplasma
Lymphocytic interstitial pneumonitis ... avium complex • Nodular ... /Masses: M.tuberculosis ... tuberculosis Infectious ... diagnosis #chestCT #radiology
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
idiopathic interstitial pneumonias ... indicates unknown cause ... #Diagnosis #Radiology ... #Pulmonary #CTChest ... IdiopathicInterstitialPneumonia #ILD
Amiodarone Induced Lung Toxicity Summary

Who?
• 5% of patients
• Dose ≥ 400 mg per day

How?  Possible
nodules and masses ... • Reticular + Nodular ... Exclude other causes ... failure - Infectious ... Exclusion of other ILDs
Commotio Cordis 
- Commotio cordis occurs when an object strikes the chest over the heart. It
object strikes the chest ... It can cause sudden ... commotio cordis risk ... Cordis #Diagnosis #Pathophysiology ... #Cardiology #Sudden