13 results
Nodular pattern
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary TB: random nodules
3. Sarcoidosis: nodules with perilymphatic
Nodular pattern ... Hypersensitivity pneumonitis: ill ... centrilobular nodules ... #Pattern #Comparison ... #Table #RadiologyAssistant
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
about imaging findings ... there are four patterns ... : reticular, nodular ... low attenuation (table ... The cystic pattern
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
pattern. 1. ... Hypersensitivity pneumonitis: ill ... bronchiolitis: ill ... #Pattern #NodularPattern ... Differential #Comparison #Table
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
listed in the table ... have specific patterns ... of morphologic findings ... realise, that these patterns ... IdiopathicInterstitialPneumonia #ILD
Autoimmune Hepatitis

Clinical Presentation
 - Highly variable clinical presentation, from subclinical disease to acute liver failure.
 -
hepatocellular pattern ... though cholestatic pattern ... Hepatitis (eg Viral) Management ... Necrosis) If mild ... AIH #Diagnosis #Management
Figure 3 HRCT-LUS correlation in normal lung, pulmonary congestion, rheumatoid lung disease, idiopathic pulmonary fibrosis.
Notes: (A)
artifact); (G) UIP pattern ... #Correlation #Table ... #ILD #Findings
Subacute hypersensitivity pneumonitis
The key findings in the subacute hypersensitivity pneumonitis are:
ill-defined centrilobular nodules of ground-glass opacity
pneumonitis The key findings ... centrilobular nodules ... cases) or mosaic pattern ... There are ill-defined ... centrilobular nodules
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
consolidation and GG pattern ... irregular lines, nodular ... Treatment: • Mild ... BOOP #pulmonary #ILD ... #diagnosis #management
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 ... : reticular nodular ... there additional findings ... Interpretation #Algorithm ... #ILD #RadiologyAssistant
Pulmonary Renal Syndromes - OnePager Summary
Autoimmune ANCA vasculitis (AAV): GPA (granulomatous with polyangiitis), EGPA (eosinophilic granulomatosis
GPA, pulmonary nodules ... vasculitis, ulcers, nodules ... of DAH) RENAL FINDINGS ... • IF staining patterns ... differential #diagnosis #management