9 results
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
about imaging findings ... in interstitial lung ... there are four patterns ... low attenuation (table ... seen and in many cases
The distribution of nodules shown on HRCT is the most important factor in making an accurate
in the nodular pattern ... In most cases small ... structures of the lung ... Pulmonary #HRCT #NodularPattern ... #Nodular #Pattern
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
with a nodular pattern ... Miliary TB: random ... CTChest #Nodular #Pattern ... #NodularPattern ... Differential #Comparison #Table
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
indicates unknown cause ... listed in the table ... have specific patterns ... realise, that these patterns ... IdiopathicInterstitialPneumonia #ILD
Figure 3 HRCT-LUS correlation in normal lung, pulmonary congestion, rheumatoid lung disease, idiopathic pulmonary fibrosis.
Notes: (A)
correlation in normal lung ... Notes: (A) Normal lung ... artifact); (G) UIP pattern ... #Correlation #Table ... #ILD #Findings
Basic Interpretation
A structured approach to interpretation of HRCT involves the following questions:
What is the dominant HR-pattern:
reticular
nodular
high
the dominant HR-pattern ... perilymphatic or random ... there additional findings ... Interpretation #Algorithm ... #ILD #RadiologyAssistant
Subacute hypersensitivity pneumonitis
The key findings in the subacute hypersensitivity pneumonitis are:
ill-defined centrilobular nodules of ground-glass opacity
pneumonitis The key findings ... opacity (80% of cases ... ) or mosaic pattern ... opacity due to lung ... There are ill-defined
Acute interstitial pneumonia (AIP, earlier named Hamman Rich Pneumonitis) is a rare idiopathic lung disease characterized
rare idiopathic lung ... The histologic pattern ... aswell as the HRCT findings ... these imaging findings ... AcuteInterstitialPneumonia #ILD
Authors: Mark M. Ramzy, DO, EMT-P (@MarkRamzyDO, EM Resident Physician, Drexel University, Department of Emergency Medicine)
A 39-year-old ... physical exam findings ... chest radiograph pattern ... Most commonly caused ... Radiology #CTChest #Lung