13 results
Algorithm for nodular pattern
The algorithm to distinguish perilymphatic, random and centrilobular nodules is the following:
- Look
pattern The algorithm ... the nodules are diffuse ... #Diagnosis #Radiology ... #Pulmonary #HRCT ... #CTChest #NodularPattern
The distribution of nodules shown on HRCT is the most important factor in making an accurate
nodules shown on HRCT ... in the nodular pattern ... distribution In certain diseases ... #Diagnosis #Radiology ... #NodularPattern
Nodular pattern
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary TB: random nodules
3. Sarcoidosis: nodules with perilymphatic
Nodular pattern ... Hypersensitivity pneumonitis: ill ... Miliary TB: random ... #Clinical #Radiology ... #HRCT #CTChest
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
the left some diseases ... with a nodular pattern ... Miliary TB: random ... Clinical #Diagnosis #Radiology ... #NodularPattern
More than 100 entities manifest as diffuse lung disease.
Fortunately only about 10 of these account for
lung disease. ... also uncommon HRCT-presentations ... some of them the old ... #Diagnosis #Radiology ... SHITFACED #Mnemonic #HRCT
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 ... bronchiectasis) #Diagnosis #Radiology ... Interpretation #Algorithm ... #ILD #RadiologyAssistant
Differential diagnosis
The table summarizes the most common diseases, that present with consolidation.
Chronic diseases are indicated in
Chronic diseases ... to look at the pattern ... more than one pattern ... The old name is ... #Diagnosis #Radiology
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
specific patterns ... morphologic findings on HRCT ... realise, that these patterns ... #Diagnosis #Radiology ... IdiopathicInterstitialPneumonia #ILD
Acute interstitial pneumonia (AIP, earlier named Hamman Rich Pneumonitis) is a rare idiopathic lung disease characterized
idiopathic lung disease ... The histologic pattern ... are diffuse or ... #Clinical #Radiology ... AcuteInterstitialPneumonia #ILD
On the left a patient with DIP.
The HRCT shows diffuse areas of ground-glass density in the
The HRCT shows diffuse ... and some mosaic pattern ... smoking #Clinical #Radiology ... DesquamativeInterstitialPneumonia #ILD