12 results
Halo Sign on Chest CT
 • SPN or mass surrounded by a circumferential GGO
 • DDx:
Halo Sign on Chest ... CT • SPN or mass ... #Sign #CT #Lung ... #Pulmonary #diagnosis ... #radiology #clinical
Pulmonary Renal Syndrome

Definition: Diffuse alveolar hemorrhage + Glomerulonephritis
Presentation (Pulmonary and renal manifestations can occur weeks apart):
Pulmonary Renal ... : Diffuse alveolar ... high resolution chest ... CT • Bronchoscopy ... , biopsy By Tess
Atoll Sign (Reverse-Halo Sign) on Chest CT
 • Central GGO surrounded by a crescentic or circumferential
Sign (Reverse-Halo ... CT • Central GGO ... #Sign #CT #Lung ... #Pulmonary #diagnosis ... #radiology #clinical
Pulmonary Renal Syndromes - OnePager Summary
Autoimmune ANCA vasculitis (AAV): GPA (granulomatous with polyangiitis), EGPA (eosinophilic granulomatosis
Syndromes - OnePager ... Other tests: • CT ... leading to diffuse alveolar ... CT ... diagnosis #management #treatment
Berlin Criteria for Acute Respiratory Distress Syndrome (ARDS) 
- Respiratory symptoms must have begun within one
Syndrome (ARDS) ... week of a known clinical ... be present on a chest ... computed tomographic (CT ... #Syndrome #Berlin
Tram Track Sign on Chest CT
 • Parallel, non-tapering airways, extending to the lung periphery.
 •
CT • Parallel, ... ABPA Kartagener's syndrome ... #Lung #Pulmonary ... #diagnosis #radiology ... #clinical
On the left a patient with both septal thickening and ground glass opacity in a patchy
be specific for alveolar ... adult respiratory distress ... syndrome and pulmonary ... #Clinical #Radiology ... #CTChest #SeptalThickening
Lung infarction
In pulmonar embolism it is not common to see consolidation.
The consolidation is a result of
infarction In pulmonar ... bleeding into the alveoli ... The pulmonary embolus ... On the CT we can ... #Clinical #Radiology
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Lung Abscess Pathophysiology ... Lung Abscess - Clinical ... CT Lung Abscess ... Aeruginosa - Strep ... Lung #Abscess #pulmonary
Amiodarone Induced Lung Toxicity Summary

Who?
• 5% of patients
• Dose ≥ 400 mg per day

How?  Possible
• Amiodarone half ... starting amiodarone treatment ... syndrome) is rare ... macrophages in alveolar ... macrophages Treatment