Dr. Gerald Diaz @GeraldMD
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Board Certified Internal Medicine Hospitalist, GrepMed Editor in Chief 🇵🇭 🇺🇸 - 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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radiology radiologyassistant ctchest diagnosis clinical differential interstitial consolidation acuteinterstitialpneumonia aip comparison contusion cystic histiocytosis honeycombing idiopathic idiopathicinterstitialpneumonia interpretation langerhanscellhistiocytosis lch
Differential diagnosis on HRCT Most of our knowledge about imaging findings in interstitial lung disease comes from
about imaging findings ... four patterns: ... low attenuation (table ... pattern on a CXR ... Diagnosis #Radiology #Pulmonary
Here are the most common examples of these four patterns on a chest x-ray (click image
of these four patterns ... consolidation - Diffuse ... Interstitial - Reticular ... mass - Solitary Pulmonary ... Consolidation #Patterns
UIP UIP is a histologic pattern of pulmonary fibrosis. On a chest X-ray UIP manifests as a reticular
is a histologic pattern ... of pulmonary fibrosis ... pattern particularly ... a reticular pattern ... This pattern was
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. They represent fundamental responses of
indicates unknown cause ... listed in the table ... have specific patterns ... on HRCT and histology ... realise, that these patterns
Reticular pattern 1. Lymphangitic carcinomatosis: irregular septal thickening, usually focal or unilateral 50% adenopathy', known carcinoma. 2.
Reticular pattern ... edema: incidental finding ... in HRCT, smooth ... #Pattern #Comparison ... #Table #RadiologyAssistant
Differential diagnosis The table summarizes the most common diseases, that present with consolidation. Chronic diseases are indicated in
to look at the pattern ... more than one pattern ... lobar pneumonia caused ... Diagnosis #Radiology #Pulmonary ... #CXR #Consolidation
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 ... : reticular nodular ... there additional findings ... Interpretation #Algorithm ... #ILD #RadiologyAssistant
Acute interstitial pneumonia (AIP, earlier named Hamman Rich Pneumonitis) is a rare idiopathic lung disease characterized
The histologic pattern ... aswell as the HRCT ... findings in AIP ... are diffuse or ... AcuteInterstitialPneumonia #ILD
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 ... a predominant finding ... differential diagnosis (Table ... #HRCT #CTChest
On the left a chest film of a 19 year old patient with Langerhans cell histiocytosis. The
The dominant findig ... chest film is a reticular ... patern and that's ... recognized that this pattern ... was caused by multiple
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