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
On HRCT there are ... reticular, nodular ... is reticular. ... seen and in many cases ... Diagnosis #Radiology #Pulmonary
UIP
UIP is a histologic pattern of pulmonary fibrosis.
On a chest X-ray UIP manifests as a reticular
of pulmonary fibrosis ... manifests as a reticular ... A HRCT is needed ... HRCT demonstrated ... #Interstitial #
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 ... The HRCT demonstrates ... #Interstitial #
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
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
Algorithm for nodular pattern
The algorithm to distinguish perilymphatic, random and centrilobular nodules is the following:
- Look
Algorithm for nodular ... pattern The algorithm ... bronchovascular interstitium ... Diagnosis #Radiology #Pulmonary ... #HRCT #CTChest
Reticular pattern 
1. Lymphangitic carcinomatosis: irregular septal thickening, usually focal or unilateral 50% adenopathy', known carcinoma.
2.
Reticular pattern ... Cardiogenic pulmonary ... incidental finding in HRCT ... peribronchovascular interstitium ... #CTChest #Reticular
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
indicates unknown cause ... have specific patterns ... morphologic findings on HRCT ... realise, that these patterns ... Diagnosis #Radiology #Pulmonary
Septal thickening
Thickening of the lung interstitium by fluid, fibrous tissue, or infiltration by cells results in
cells results in a pattern ... of reticular opacities ... pulmonary edema ... #HRCT #CTChest ... #Reticular #SeptalThickening
Cystic versus Reticular
It can be difficult to determine whether we are dealing with a reticular pattern
pattern. ... pattern. ... In many of such cases ... a HRCT will give ... CTChest #Cystic #Interstitial