10 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 ... #Pattern #Comparison
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
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
Low Attenuation pattern (2) 
1. Centrilobular emphysema: low attenuation areas without walls. Notice the centrilobular artery
Centrilobular emphysema ... #Clinical #Radiology ... #HRCT #CTChest ... #Pattern #Comparison ... #Table #RadiologyAssistant
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
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
Cavities frequently arise within a mass or an area of consolidation as a result of necrosis.
We
the surrounding lung ... associated pulmonary emphysema ... #Clinical #Diagnosis ... #Radiology #CTChest ... Emphysema #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
Key findings in Lymphangiomyomatosis:
Numerous thin-walled cysts, surrounded by normal parenchyma.
Cysts range from 2mm to 5cm in
throughout the lungs ... adenopathy and pleural ... effusions (40%) ... #Clinical #Radiology ... #CTChest #Lymphangiomyomatosis
Heart failure with Reduced Ejection Fraction (HFrEF)
Clinical Presentation
1. Typical symptoms: dyspnea, orthopnea paroxysmal noctumal dyspnea, fatigue,
Fraction (HFrEF) Clinical ... : weight gain, lung ... Chest x-ray: signs ... edema, bilateral pleural ... effusions). 1/5