12 results
Low Attenuation pattern 
1. Lymphangiomyomatosis (LAM): uniform cysts in woman of child-bearing age; no history of
adenopathy and pleural ... effusion; sometimes ... #Clinical #Radiology ... #HRCT #CTChest ... #Comparison #Table
Split Pleura Sign on Chest CT
 • Contrast enhancement of the parietal and visceral pleura, separated
Split Pleura Sign ... • DDx: Empyema ... , malignant effusions ... #Sign #CT #Lung ... diagnosis #radiology #clinical
Pulmonary Tuberculosis - Patterns of Involvement
 • Scarring, Nodules and Consolidation
    - Lobar
Tuberculosis - Patterns ... - Loculated effusion ... or empyema ... effusion • Atelectasis ... #chest #xray #clinical
Empyema Necessitans (EN) on Chest POCUS

Pulmonary teaching case: you are called to the bedside of a
Empyema Necessitans ... This is Empyema ... effusion where ... #clinical #video ... #Lung
Nodular pattern
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary TB: random nodules
3. Sarcoidosis: nodules with perilymphatic
Nodular pattern ... the area next to pleura ... #Clinical #Radiology ... #HRCT #CTChest ... #Comparison #Table
Empyema on POCUS

89-year-old male with fever and dyspnea. Lung ultrasound reveals what chest x-ray hides -
Empyema on POCUS ... Lung ultrasound ... reveals what chest ... #POCUS #Clinical ... #Effusion
Low Attenuation pattern (2) 
1. Centrilobular emphysema: low attenuation areas without walls. Notice the centrilobular artery
Low Attenuation pattern ... Centrilobular emphysema ... #Clinical #Radiology ... #HRCT #CTChest ... #Comparison #Table
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
: 'signet ring sign ... Centrilobular emphysema ... central dot. - LIP #Clinical ... #Differential #Comparison ... #Table #RadiologyAssistant
PseudoARDS-Effusion Pattern

PseudoARDS-effusion refers to a patient with bilateral infiltrates who seems to have ARDS, but whose
Pattern PseudoARDS-effusion ... admixture of true lung ... a semi-supine chest ... #Diagnosis #Clinical ... ChestCT #PseudoARDS #Comparison
Assessment of Chest Tube Drains
Stepwise assessment of Chest Tube Function
TUBE POSITIONING
 • Look at the CXR:
is within the pleura ... transducing the pleural ... injury to the lung ... large injury to lung ... Fr hemothorax/empyema