Dr. Gerald Diaz @GeraldMD
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Board Certified Internal Medicine Hospitalist, GrepMed Editor in Chief πŸ‡΅πŸ‡­ πŸ‡ΊπŸ‡Έ - Sign up for an account to like, bookmark and upload images to contribute to our community platform. Follow us on IG: https://www.instagram.com/grepmed/ | Twitter: https://twitter.com/grepmeded/
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Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
lung disease comes ... : reticular, nodular ... low attenuation (table ... lung disease and ... #Pattern #Differential
Algorithm for nodular pattern
The algorithm to distinguish perilymphatic, random and centrilobular nodules is the following:
- Look
Algorithm for nodular ... pattern The algorithm ... are diffuse and ... #Nodules #Differential ... #Algorithm #RadiologyAssistant
Causes of Interstitial Lung Disease - Differential Diagnosis Algorithm
Idiopathic Interstitial Pneumonia
 β€’ (UIP) Usual Interstitial Pneumonia
Lung Disease - ... Differential Diagnosis ... Algorithm Idiopathic ... as nodules Hypersensitivity ... #Lung #Diseases
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
the left some diseases ... pattern. 1. ... #Differential # ... Comparison #Table ... #RadiologyAssistant
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
The idiopathic interstitial ... listed in the table ... specific patterns ... realise, that these patterns ... ILD #Findings #RadiologyAssistant
Whenever you see an area of increased density within the lung, it must be the result
of these four patterns ... resulting in lobar, diffuse ... opacities. 2- Interstitial ... . 3- Nodule or mass ... #RadiologyAssistant
Differential diagnosis
The table summarizes the most common diseases, that present with consolidation.
Chronic diseases are indicated in
Differential diagnosis ... The table summarizes ... to look at the pattern ... more than one pattern ... #Table #RadiologyAssistant
Ground-glass opacity
Ground-glass opacity (GGO) represents:
- Filling of the alveolar spaces with pus, edema, hemorrhage, inflammation or
Thickening of the interstitium ... lung disease (i.e ... in ground glass pattern ... #GroundGlass #Differential ... #RadiologyAssistant
Radiographic appearances of pulmonary diseases in HIV/AIDS Patients
 β€’ Diffuse Interstitial Infiltrates: Pneumocystis jirovecii, M.tuberculosis, Histoplasma
AIDS Patients β€’ Diffuse ... Interstitial Infiltrates ... avium complex β€’ Nodular ... Actinomyces spp., NHL; Lung ... #differential #
The distribution of nodules shown on HRCT is the most important factor in making an accurate
pattern. ... peribronchovascular interstitium ... distribution In certain diseases ... structures of the lung ... Comparison #Diagram #RadiologyAssistant