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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clinical diagnosis hrct nodular pulmonary table differential hypersensitivitypneumonitis cxr groundglass hypersensitivity pneumonitis coronavirus covid19 criticalcare cystic ggo sarscov2 chronic diagram
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
Low Attenuation pattern (2) 1. Centrilobular emphysema: low attenuation areas without walls. Notice the centrilobular artery
Low Attenuation pattern ... #Clinical #Radiology ... #HRCT #CTChest ... #Comparison #Table ... #RadiologyAssistant
On the left some diseases with a nodular pattern. 1. Hypersensitivity pneumonitis: ill defined centrilobular nodules. 2. Miliary
Clinical #Diagnosis #Radiology ... #Pulmonary #CTChest ... #Nodular #Pattern ... #Differential #Comparison ... #Table #RadiologyAssistant
Low Attenuation pattern 1. Lymphangiomyomatosis (LAM): uniform cysts in woman of child-bearing age; no history of
Centrilobular emphysema ... #Clinical #Radiology ... #HRCT #CTChest ... #Comparison #Table ... #RadiologyAssistant
Algorithm for nodular pattern The algorithm to distinguish perilymphatic, random and centrilobular nodules is the following: - Look
perilymphatic, random and centrilobular ... distribution is likely centrilobular ... #Diagnosis #Radiology ... Pulmonary #HRCT #CTChest ... Differential #Algorithm #RadiologyAssistant
Nodular pattern(2) 1. Sarcoidosis: nodules with perilymphatic distribution, along fissures, adenopathy. 2. TB: Tree-in-bud appearance in a patient
Nodular pattern( ... #Clinical #Radiology ... #HRCT #CTChest ... #Nodular #Pattern ... #Comparison #Table
Differential diagnosis of Langerhans cell histiocytosis. Nodular LCH: - Sarcoidosis: perilymphatic distribution. - Metastases: random distribution. Cystic LCH: - LAM: round
ring sign'. - Centrilobular ... Clinical #Diagnosis #Radiology ... #CTChest #Cystic ... #Differential #Comparison ... #Table #RadiologyAssistant
Subacute hypersensitivity pneumonitis The key findings in the subacute hypersensitivity pneumonitis are: ill-defined centrilobular nodules of ground-glass opacity
80% of cases) or mosaic ... pattern of a combination ... #Clinical #Radiology ... #CTChest #Hypersensitivity ... #RadiologyAssistant
Chronic hypersensitivity pneumonitis The key findings in chronic hypersensitivity pneumonitis are: Mosaic pattern with areas of ground-glass atenuation
pneumonitis are: Mosaic ... pattern with areas ... #Clinical #Radiology ... #CXR #CTChest # ... Chronic #Fibrosis #RadiologyAssistant
The distribution of nodules shown on HRCT is the most important factor in making an accurate
pattern. ... #Diagnosis #Radiology ... #Pattern #Distribution ... Perilymphatic #Comparison ... #Diagram #RadiologyAssistant
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