15 results
Ground Glass Opacities on Lung CT - Pathophysiology
Ground glass opacity lung is denser (whiter) than normal
CT - Pathophysiology ... often, GGO is caused ... replacement of air ... within alveoli ... #pulmonary #ChestCT
Septic emboli
Septic emboli usually present as multiple ill-defined nodules.
In about 50% cavitation is seen.
CT demonstrates more
CT demonstrates ... lesions than the chest ... abutting the pleura, air-bronchograms ... Clinical #Radiology #CXR ... SepticEmboli #Cavity #RadiologyAssistant
Lung infarction
In pulmonar embolism it is not common to see consolidation.
The consolidation is a result of
bleeding into the alveoli ... In this case a lung ... On the CT we can ... Clinical #Radiology #CXR ... PulmonaryEmbolism #RadiologyAssistant
Diagnosis and Management of Diffuse Alveolar Hemorrhage (DAH)
Blood escaping through the capillary wall into the alveoli,
, due to injury, ... • DAH triad: lung ... hemoptysis, anemia • Chest ... CT scan: diffuse ... #Differential #Causes
Based on the images alone, it is usually not possible to determine the cause of the
between these chest ... filling of the alveoli ... nodular interstitial lung ... Diagnosis #Radiology #CXR ... #RadiologyAssistant
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
bronchial wall injury ... Most Common Causes ... Nasal polyps and signs ... thickening, presence of air-fluid ... CT) • Broncho-arterial
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
• Most common cause ... Blood cultures • CXR ... lat decubitus - air ... CT Lung Abscess ... #Abscess #pulmonary
Stage III - Alveolar edema
This stage is characterized by continued fluid leakage into the interstitium, which
The following signs ... consolidations and air ... Clinical #Radiology #CXR ... #Pulmonary #Edema ... AlveolarEdema #RadiologyAssistant
Rheumatoid arthritis (RA): Extra-articular manifestations
Skin: 
 • Inflammation of skin (esp. over areas of stress) forms
Auto-immune attack on hair ... pleural effusion on CXR ... inflammation tends to cause ... disease/pulmonary ... pathophysiology #signs
Pulmonary Renal Syndromes - OnePager Summary
Autoimmune ANCA vasculitis (AAV): GPA (granulomatous with polyangiitis), EGPA (eosinophilic granulomatosis
quantify renal injury ... Goodpasture's cause ... leading to diffuse alveolar ... sparing of the lung ... CT