339 results
Lung Segment Anatomy Annotated on Chest CT
Right Lung:
 • Upper Lobe: Apical, Posterior, Anterior
 • Middle
Annotated on Chest ... radiopaedia.org/cases ... lang=us #Lung # ... lobes #Segments #Chest ... #CT #CTChest #pulmonary
Halo Sign on Chest CT
 • SPN or mass surrounded by a circumferential GGO
 • DDx:
Halo Sign on Chest ... , amyloidosis, sarcoidosis ... , mets to the lung ... Halo #Sign #CT #Lung ... #Pulmonary #diagnosis
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
Interstitial Lung Diseases (ILD)
Exposure-Related ILD (a.k.a. extrinsic allergic alveolitis): 
 • Hypersensitivity pneumonitis, Farmer's lung, Bird
ILD caused by inhalation ... Other ILDs: • Sarcoidosis ... Churg Strauss syndrome ... Diseases #ILD #diagnosis ... #causes
Consolidation is synonymous with airspace disease.
When you think of the causes of consolidation, think of 'what
you think of the causes ... UIP, NSIP and long ... standing sarcoidosis ... #Diagnosis #Radiology ... #Pulmonary #CTChest
Causes of Chronic Dyspnea - Differential Diagnosis Algorithm
Pericardial
 • Effusion
 • Cardiac Tamponade*
 • Constriction
Myocardial
 •
- Differential Diagnosis ... Acute Coronary Syndrome ... Chest Wall Abnormalities ... ILD • CHF • Sarcoidosis ... #Algorithm #Causes
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
Causes of Erythema Nodosum - Mnemonic

NO cause found in 60% of cases
Drugs (antibiotics e.g., sulfonamides, amoxicillin)
Oral
Mnemonic NO cause ... Contraceptives Sarcoidosis ... or Lofgren's syndrome ... Nodosum #Mnemonic #Causes ... #Differential #Diagnosis
Differential Diagnosis - Noninfectious Causes of Fever

CRITICAL DIAGNOSES:
 - Acute myocardial infarction
 - Pulmonary embolism or
Noninfectious Causes ... infarction - Pulmonary ... Neuroleptic malignant syndrome ... Malignancy - Gout - Sarcoidosis ... Noninfectious #Causes
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 ... Pulmonary: dyspnea ... , cough, chest pain ... Pulmonary and