32 results
CT Lung Signs in Pulmonary Diseases - One Page Summary of Pulmonary Signs
 - Air Crescent
CT Lung Signs in ... #ChestCT #CT # ... Lung #Signs #Pulmonary ... Diseases #diagnosis #differential ... #radiology
High-Res Chest CT Patterns - Differential Diagnosis Framework
Reticular:
 • Septal Thickening: Lymphangitic Carcinoma, Interstitial Edema, Alveolar
High-Res Chest CT ... Chronic Eos PNA, Fibrosis ... Fibrosis, RA, Scleroderma ... Aspiration, Cystic Fibrosis ... #pulmonary #radiology
Halo Sign on Chest CT
 • SPN or mass surrounded by a circumferential GGO
 • DDx:
Halo Sign on Chest ... CT • SPN or mass ... , amyloidosis, sarcoidosis ... #CT #Lung #Pulmonary ... #diagnosis #radiology
Galaxy Sign on Chest CT
 • Coalescent granuloma with a central dense mass and tiny peripheral
Galaxy Sign on Chest ... nodules • DDx: Sarcoidosis ... progressive massive fibrosis ... #CT #Lung #Pulmonary ... #diagnosis #radiology
Interstitial Lung Diseases (ILD)
Exposure-Related ILD (a.k.a. extrinsic allergic alveolitis): 
 • Hypersensitivity pneumonitis, Farmer's lung, Bird
• Idiopathic pulmonary ... fibrosis (IPF), ... : • Sarcoidosis ... #diagnosis #differential ... #pulmonary #causes
Longstanding Sarcoidosis
Here a typical chest film in a patient with long standing Sarcoidosis (stage IV).
There is
Here a typical chest ... There is fibrosis ... The differential ... also results in fibrosis ... #Fibrosis #RadiologyAssistant
Upper lung zone preference is seen in:
- Inhaled particles: pneumoconiosis (silica or coal)
- Smoking related diseases
Upper lung zone ... bronchiolitis (RB-ILD ... pneumonitis - Sarcoidosis ... edema #Diagnosis #Radiology ... #ChestCT #Differential
Progressive Massive Fibrosis aka Complicated Silicosis.
Silicosis is a fibrotic lung disease caused by inhalation of crystalline
Progressive Massive Fibrosis ... lung disease caused ... progressive massive fibrosis ... Progressive #Massive #Fibrosis ... #CXR #Chest #XRay
Pleuroparenchymal Fibroelastosis (PPFE) on Chest CT
47 M with idiopathic pleuroparenchymal fibroelastosis. Typical imaging findings:
- Upper lobe
CT 47 M with idiopathic ... subpleural and pleural fibrosis ... Rare - GVHD, lung ... #radiology #clinical ... #pulmonary #CXR
Pulmonary Sarcoidosis - Staging

Stage 0 - NO SARCOIDOSIS
 • The patient presents with a normal x-ray.
Pulmonary Sarcoidosis ... There is no sign ... Stage Ill - PULMONARY ... FIBROSIS • There ... #Sarcoidosis #Pulmonary