65 results
Upper lung zone preference is seen in:
- Inhaled particles: pneumoconiosis (silica or coal)
- Smoking related diseases
Upper lung zone ... pneumonitis - Sarcoidosis ... edema #Diagnosis ... #Radiology #Pulmonary ... #Upper #Lower #RadiologyAssistant
Sarcoidosis
Stage 1 - Bilateral LAD without involvement of lung parenchyma
Stage 2 - Bilateral LAD with involvement
Sarcoidosis Stage ... 4 - Fibrosis Pulmonary ... chylothorax, and pulmonary ... sarcoid Lofgren Syndrome ... #Diagnosis #Stages
Hilar and mediastinal lymphadenopathy
In sarcoidosis the common pattern is right paratracheal and bilateral hilar adenopathy ('1-2-3-sign').
In
lymphadenopathy In sarcoidosis ... In lung carcinoma ... #Diagnosis #Radiology ... #Pulmonary #Mediastinal ... #Differential #RadiologyAssistant
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
Sarcoidosis: nodules ... Sarcoidosis: nodules ... #Clinical #Diagnosis ... #Radiology #Pulmonary ... Comparison #Table #RadiologyAssistant
Perilymphatic distribution
Perilymphatic nodules are most commonly seen in sarcoidosis.
They also occur in silicosis, coal-worker's pneumoconiosis and
commonly seen in sarcoidosis ... in differential diagnosis ... #Diagnosis #Radiology ... #Pulmonary #HRCT ... #Differential #RadiologyAssistant
Halo Sign on Chest CT
 • SPN or mass surrounded by a circumferential GGO
 • DDx:
, amyloidosis, sarcoidosis ... , mets to the lung ... Halo #Sign #CT #Lung ... #Pulmonary #diagnosis ... #radiology #clinical
Interstitial Lung Diseases (ILD)
Exposure-Related ILD (a.k.a. extrinsic allergic alveolitis): 
 • Hypersensitivity pneumonitis, Farmer's lung, Bird
• Idiopathic pulmonary ... Other ILDs: • Sarcoidosis ... Churg Strauss syndrome ... Diseases #ILD #diagnosis ... #differential #pulmonary
Consolidation is synonymous with airspace disease.
When you think of the causes of consolidation, think of 'what
UIP, NSIP and long ... standing sarcoidosis ... #Diagnosis #Radiology ... #Pulmonary #CTChest ... #Differential #RadiologyAssistant
Differential Diagnosis - Noninfectious Causes of Fever

CRITICAL DIAGNOSES:
 - Acute myocardial infarction
 - Pulmonary embolism or
Causes of Fever CRITICAL ... infarction - Pulmonary ... Neuroleptic malignant syndrome ... Malignancy - Gout - Sarcoidosis ... Postmyocardiotomy syndrome
Based on the images alone, it is usually not possible to determine the cause of the
chronic illness, clinical ... Sarcoidosis - at ... interstitial lung ... #Clinical #Diagnosis ... Consolidation #Causes #RadiologyAssistant