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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Causes of Interstitial Lung Disease - Differential Diagnosis Algorithm
Idiopathic Interstitial Pneumonia
 β€’ (UIP) Usual Interstitial Pneumonia
Causes of Interstitial ... Differential Diagnosis Algorithm ... leaking out of pulmonary ... Lung #Diseases #ILD ... #Causes #Differential
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
: reticular, nodular ... is reticular. ... seen and in many cases ... UIP can be suspected ... Diagnosis #Radiology #Pulmonary
Interstitial Lung Diseases (ILD)
Exposure-Related ILD (a.k.a. extrinsic allergic alveolitis): 
 β€’ Hypersensitivity pneumonitis, Farmer's lung, Bird
ILD caused by inhalation ... β€’ Idiopathic pulmonary ... pneumonia (DIP) ... pneumonia (AIP) ... #causes
Here are the most common examples of these four patterns on a chest x-ray (click image
of these four patterns ... - Reticular interstitial ... mass - Solitary Pulmonary ... Nodule - Multiple Masses ... Consolidation #Patterns
UIP
UIP is a histologic pattern of pulmonary fibrosis.
On a chest X-ray UIP manifests as a reticular
pattern of pulmonary ... manifests as a reticular ... Here a CXR with a reticular ... lung bases. ... #Reticular #Interstitial
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
indicates unknown cause ... have specific patterns ... realise, that these patterns ... Diagnosis #Radiology #Pulmonary ... IdiopathicInterstitialPneumonia #ILD
The CXR demonstrates a reticular interstitial pattern with a preference at the lung bases.
The HRCT demonstrates
demonstrates a reticular ... interstitial pattern ... preference at the lung bases ... Radiology #CXR #UIP ... #Interstitial #
Antinuclear Antibody Testing - Nuclear and Cytoplasmic Patterns
Nuclear Patterns:
 β€’ Homogeneous pattern: 
   -
- SLE, SSc, AIH ... Scl70 (in some cases ... Scl-70 (in some cases ... : β€’ Reticular/ ... SLE, SjS, CTD-ILD
Approach to the diagnosis of chronic hypersensitivity pneumonitis. 
*Consider additional test: bronchoscopy with bronchoalveolar lavage, transbronchial
computed tomography; UIP ...  = usual interstitial ... #pneumonitis #pulmonary ... #diagnosis #algorithm ... #HP #ILD
On the left a chest film of a patient with UIP due to IPF.
The findings on
honeycombing comprises reticular ... densities caused ... UsualInterstitialPneumonitis #Usual #Interstitial ... #Pneumonitis #Reticular ... #ILD #RadiologyAssistant