15 results
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
Honeycombing Most diseases ... basis of HRCT findings ... Diagnosis #Radiology #Pulmonary ... #CTChest #LowAttenuation ... Emphysema #SignetRing #RadiologyAssistant
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
in interstitial lung ... disease comes from ... , high and low attenuation ... Diagnosis #Radiology #Pulmonary ... #Differential #RadiologyAssistant
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
responses of the lung ... involvement of the lung ... Diagnosis #Radiology #Pulmonary ... #CTChest #Idiopathic ... #RadiologyAssistant
Mosaic attenuation
The term 'mosaic attenuation' is used to describe density differences between affected and non-affected lung
Mosaic attenuation ... thromboembolic disease ... Diagnosis #Radiology #Pulmonary ... #CTChest #MosaicAttenuation ... #Differential #RadiologyAssistant
Based on the images alone, it is usually not possible to determine the cause of the
findings. ... between these chest ... nodular interstitial lung ... disease, that is ... Consolidation #Causes #RadiologyAssistant
Pulmonary Renal Syndromes - OnePager Summary
Autoimmune ANCA vasculitis (AAV): GPA (granulomatous with polyangiitis), EGPA (eosinophilic granulomatosis
life-threatening diseases ... Inflammatory eye disease ... FINDINGS: • AAV ... sparing of the lung ... of DAH) RENAL FINDINGS
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
Nasal polyps and signs ... , in advanced disease ... in the adjacent lung ... hypertension • Mosaic attenuation ... of the affected lung
Increased pulmonary venous pressure is related to the pulmonary capillary wedge pressure (PCWP) and can be
Increased pulmonary ... features on the chest ... chronic obstructive lung ... #CXR #Stages #Findings ... #Signs #RadiologyAssistant
Chronic hypersensitivity pneumonitis (2)
The case on the left shows an inspiratory and expiratory scan: the mosaic
Signs of fibrosis ... mid and lower lung ... on the imaging findigs ... proteinosis and other diseases ... Clinical #Radiology #CTChest
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Diagnosis Framework Disease ... angioinvasive disease ... • CT: Halo sign ... Lymphadenopathy, CNS ... Infections #HIV #AIDS #pulmonary