25 results
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
in interstitial lung ... there are four patterns ... : reticular, nodular ... is interstitial lung ... seen and in many cases
Nodular pattern
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary TB: random nodules
3. Sarcoidosis: nodules with perilymphatic
Nodular pattern ... Hypersensitivity pneumonitis: ill ... HRCT #CTChest #Nodular ... #Pattern #Comparison
Here are the most common examples of these four patterns on a chest x-ray (click image
of these four patterns ... consolidation - Multifocal ill-defined ... opacities - Fine Nodular ... Nodule - Multiple Masses ... Consolidation #Patterns
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
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 ... Diagnosis #HRCT #POCUS ... #Table #ILD #Findings
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
responses of the lung ... indicates unknown cause ... have specific patterns ... realise, that these patterns ... IdiopathicInterstitialPneumonia #ILD
Blastomycosis (Blastomyces): Gilchrist’s disease, Chicago disease - Summary Sheet
 • Morphology
 • Geography, Reservoir and Mode
- Sporadic cases ... reticulonodular patterns ... presentation of TB, lung ... Radiographic pattern ... disease - Mild
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
Unknown • 6-7 cases ... consolidation and GG pattern ... irregular lines, nodular ... Treatment: • Mild ... BOOP #pulmonary #ILD
The distribution of nodules shown on HRCT is the most important factor in making an accurate
pattern. ... In most cases small ... structures of the lung ... #Pattern #Distribution ... Perilymphatic #Comparison
Fever Patterns - Differential Diagnosis Framework

Continuous Fever:
Temp > 38°C with only 1 degree fluctuation in 24
Fever Patterns - ... Non-Infectious Causes ... Typhus Inversus Pattern ... usual diurnal pattern ... Lymphomas #Fever #Patterns