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 ctchest diagnosis pulmonary clinical cxr nodular comparison ggo hypersensitivitypneumonitis interstitial lobar nodularpattern pneumonitis acuteinterstitialpneumonia aip centrilobular chestct chronic collapse
Nodular pattern 1. Hypersensitivity pneumonitis: ill defined centrilobular nodules. 2. Miliary TB: random nodules 3. Sarcoidosis: nodules with perilymphatic
Nodular pattern ... Clinical #Radiology #HRCT ... CTChest #Nodular #Pattern ... #Comparison #Table ... #RadiologyAssistant
Differential diagnosis on HRCT Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... four patterns: ... low attenuation (table ... seen and in many cases ... RadiologyAssistant
Upper lung zone preference is seen in: - Inhaled particles: pneumoconiosis (silica or coal) - Smoking related diseases
bronchiolitis (RB-ILD ... histiocytosis - Hypersensitivity ... Radiology #Pulmonary #HRCT ... #ChestCT #Differential ... #Table #Distribution
On the left some diseases with a nodular pattern. 1. Hypersensitivity pneumonitis: ill defined centrilobular nodules. 2. Miliary
with a nodular pattern ... CTChest #Nodular #Pattern ... NodularPattern #Differential ... #Comparison #Table ... #RadiologyAssistant
Algorithm for nodular pattern The algorithm to distinguish perilymphatic, random and centrilobular nodules is the following: - Look
pattern The algorithm ... are visible, the pattern ... Radiology #Pulmonary #HRCT ... NodularPattern #Nodular #Pattern ... #Algorithm #RadiologyAssistant
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 ... morphologic findings on HRCT ... realise, that these patterns
Differential diagnosis The table summarizes the most common diseases, that present with consolidation. Chronic diseases are indicated in
The table summarizes ... to look at the pattern ... more than one pattern ... lobar pneumonia caused ... #Table #RadiologyAssistant
Ground-glass opacity Ground-glass opacity (GGO) represents: - Filling of the alveolar spaces with pus, edema, hemorrhage, inflammation or
resolution of the HRCT ... in ground glass pattern ... distribution: Hypersensitivity ... #GroundGlass #Differential ... #RadiologyAssistant
On the left a patient with ground glass pattern in a mosaic distribution. Some lobules are involved
with ground glass pattern ... The differential ... Hypersensitivity ... are confluent, HRCT ... HypersenstitivityPneumonitis #RadiologyAssistant
Subacute hypersensitivity pneumonitis The key findings in the subacute hypersensitivity pneumonitis are: ill-defined centrilobular nodules of ground-glass opacity
pneumonitis are: ill-defined ... opacity (80% of cases ... ) or mosaic pattern ... There are ill-defined ... Centrilobular #RadiologyAssistant
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