12 results
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
- Lung cysts (LAM ... , LIP, Langerhans ... #Diagnosis #Radiology ... Differential #Diagram #Comparison ... #RadiologyAssistant
Upper lung zone preference is seen in:
- Inhaled particles: pneumoconiosis (silica or coal)
- Smoking related diseases
Upper lung zone ... (centrilobular emphysema ... bronchiolitis (RB-ILD ... is seen in: - UIP ... edema #Diagnosis #Radiology
Cavities frequently arise within a mass or an area of consolidation as a result of necrosis.
We
the surrounding lung ... patients with end-stage ... Clinical #Diagnosis #Radiology ... #Emphysema #Comparison ... #RadiologyAssistant
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Centrilobular emphysema ... central dot. - LIP ... Clinical #Diagnosis #Radiology ... #Differential #Comparison ... #Table #RadiologyAssistant
UIP with honeycombing (left) and chronic HP (right)
Differential diagnosis of Hypersensitivity Pneumonitis.
Subacute stage:
- RB-ILD: seen in
centrilobular emphysema ... throughout the whole lung ... Clinical #Diagnosis #Radiology ... Comparison #Chronic ... #RadiologyAssistant
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
indicates unknown cause ... findings of NSIP, UIP ... #Diagnosis #Radiology ... IdiopathicInterstitialPneumonia #ILD ... #Findings #RadiologyAssistant
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
low attenuation (table ... When the cysts have ... UIP can be suspected ... #Diagnosis #Radiology ... #Differential #RadiologyAssistant
On the left a chest film of a patient with UIP due to IPF.
The findings on
changes in the basal lung ... reticular densities caused ... thick walls of the cysts ... #Clinical #Radiology ... #RadiologyAssistant
Stage I - Redistribution
In a normal chest film with the patient standing erect, the pulmonary vessels
Stage I - Redistribution ... In these cases comparison ... with old fims can ... #Clinical #Radiology ... Redistribution #RadiologyAssistant
Wegener's granulomatosis
Wegener's is a collagen vascular disease with vasculitis involving the lung, kidney and sinuses.
In the
In the lung the ... vasculitis causes ... In a later stage ... #Clinical #Radiology ... Multifocal #Nodules #RadiologyAssistant