230 results
Halo Sign on Chest CT
 • SPN or mass surrounded by a circumferential GGO
 • DDx:
Sign on Chest CT ... , amyloidosis, sarcoidosis ... , mets to the lung ... #Lung #Pulmonary ... #diagnosis #radiology
Lung Segment Anatomy Annotated on Chest CT
Right Lung:
 • Upper Lobe: Apical, Posterior, Anterior
 • Middle
Annotated on Chest CT ... radiopaedia.org/cases ... bronchopulmonary-segments-annotated-ct ... Segments #Chest #CT ... #CTChest #pulmonary
ILD of Known Cause - Differential Diagnosis
Exposure:
 • Occupational: Asbestosis, Silicosis, Hypersensitivity, Pneumonitis
 • Treatment Related:
ILD of Known Cause ... - Differential Diagnosis ... Granulomatous DX: Sarcoidosis ... #interstitial #lung ... #disease #pulmonary
Sarcoidosis
Stage 1 - Bilateral LAD without involvement of lung parenchyma
Stage 2 - Bilateral LAD with involvement
Sarcoidosis Stage ... 4 - Fibrosis Pulmonary ... chylothorax, and pulmonary ... #Diagnosis #Stages ... Staging #Signs #Symptoms
Interstitial Lung Diseases (ILD)
Exposure-Related ILD (a.k.a. extrinsic allergic alveolitis): 
 • Hypersensitivity pneumonitis, Farmer's lung, Bird
ILD caused by inhalation ... • Idiopathic pulmonary ... Other ILDs: • Sarcoidosis ... Diseases #ILD #diagnosis ... #causes
Reversed Halo Sign - Infectious and Non-Infectious Differential Diagnosis
Definition: A focal rounded area of GGO surrounded
• Infectious Causes ... Non-Infectious Causes ... polyangiitis, Sarcoidosis ... Dermatomyositis, Lung ... #pulmonary
Sarcoidosis - Diagnosis and Management Summary
Epidemiology
1) High incidence in Scandinavian countries (11-24 cases per 100,000 individuals
Sarcoidosis - Diagnosis ... granulomas within the lungs ... are not caused ... Pulmonary: dyspnea ... Pulmonary and
Feeding Vessel Sign on Chest CT
 • Distinct pulmonary vessel leading into a lung nodule or
Sign on Chest CT ... • Distinct pulmonary ... #Vessel #Sign #CT ... #Lung #Pulmonary ... #diagnosis #radiology
Stage 2 Sarcoidosis - Presentation, Diagnosis and Workup
Presentation: Thoracic (Hilar and Mediastinal) Adenopathy ± Cough, Chest
Stage 2 Sarcoidosis ... Presentation, Diagnosis ... Wheeze, Systemic Symptoms ... #Diagnosis #Workup ... #pulmonary
Lung Nodules - Differential Diagnosis by Distribution
 • Centrilobular: Hypersensitivity Pneumonitis, RB-ILD, Pneumoconiosis, Infectious Bronchiolitis, Vasculitis,
Lung Nodules - Differential ... Diagnosis by Distribution ... Perilymphatic: Sarcoidosis ... BrighamChiefs #Lung ... #Distribution #pulmonary