1342 results
Hilar enlargement
The table summarizes the causes of hilar enlargement.
Normal hili are:
- Normal in position - left
Hilar enlargement ... the causes of hilar ... HilarEnlargement #Hilar ... Unilateral #Bilateral #RadiologyAssistant
Hilar and mediastinal lymphadenopathy
In sarcoidosis the common pattern is right paratracheal and bilateral hilar adenopathy ('1-2-3-sign').
In
Hilar and mediastinal ... and bilateral hilar ... #Differential #RadiologyAssistant
Upper lung zone preference is seen in:
- Inhaled particles: pneumoconiosis (silica or coal)
- Smoking related diseases
bronchiolitis (RB-ILD ... #Upper #Lower #RadiologyAssistant
Interstitial Lung Diseases (ILD)
Exposure-Related ILD (a.k.a. extrinsic allergic alveolitis): 
 • Hypersensitivity pneumonitis, Farmer's lung, Bird
Lung Diseases (ILD ... Exposure-Related ILD ... ILD caused by inhalation ... Medication-induced ILD ... Methotrexate ILD
Löfgren Syndrome in Sarcoidosis
 • Hilar Lymphadenopathy 
 • Acute Polyarthritis (usually ankles)
 • Erythema Nodosum
joo
Sarcoidosis • Hilar
Sarcoidosis 
Systemic non-caseating granulomatous disease. 
Patients classically have mediastinal hilar lymphadenopathy. 
CXR is abnormal in 90%
have mediastinal hilar
Lymph Node Anatomy
Waldeyer Ring, Pre-auricular, Cervical, Occipital, Supraclavicular, Infraclavicular, Pectoral, Axillary, Mediastinal, Hilar, Epitrochlear, Brachial, Spleen,
, Mediastinal, Hilar
Sarcoidosis
Stage 1 - Bilateral LAD without involvement of lung parenchyma
Stage 2 - Bilateral LAD with involvement
manifestations include hilar ... Syndrome - Triad of hilar
Exposure Related ILD

 • Hypersensitivity pneumonitis
 • Pneumoconioses 
 • Radiation pneumonitis
 • Medication-induced ILD

Andrew Sanchez
Exposure Related ILD ... Medication-induced ILD ... Exposure #Related #ILD
Here are the most common examples of these four patterns on a chest x-ray (click image
consolidation - Multifocal ill-defined ... Consolidation #Patterns #RadiologyAssistant