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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radiologyassistant ctchest diagnosis clinical pulmonary nodular ild nodularpattern chestct chronic fibrosis ggo groundglass groundglassopacity hypersensitivitypneumonitis interpretation mimic multiplenodules nodules reticular
Upper lung zone preference is seen in: - Inhaled particles: pneumoconiosis (silica or coal) - Smoking related diseases
bronchiolitis (RB-ILD ... edema #Diagnosis #Radiology ... #Pulmonary #HRCT ... #ChestCT #Differential ... #Table #Distribution
Nodular pattern 1. Hypersensitivity pneumonitis: ill defined centrilobular nodules. 2. Miliary TB: random nodules 3. Sarcoidosis: nodules with perilymphatic
Nodular pattern ... perilymphatic distribution ... #Clinical #Radiology ... #HRCT #CTChest ... #Comparison #Table
Nodular pattern(2) 1. Sarcoidosis: nodules with perilymphatic distribution, along fissures, adenopathy. 2. TB: Tree-in-bud appearance in a patient
Nodular pattern( ... perilymphatic distribution ... #Clinical #Radiology ... #HRCT #CTChest ... #Comparison #Table
Algorithm for nodular pattern The algorithm to distinguish perilymphatic, random and centrilobular nodules is the following: - Look
Algorithm for nodular ... pattern The algorithm ... #Diagnosis #Radiology ... #Pulmonary #HRCT ... MultipleNodules #Nodules #Differential
On the left some diseases with a nodular pattern. 1. Hypersensitivity pneumonitis: ill defined centrilobular nodules. 2. Miliary
with a nodular pattern ... perilymphatic distribution ... Clinical #Diagnosis #Radiology ... NodularPattern #Differential ... #Comparison #Table
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 ... bronchiolitis, PCP. - Lower ... Centrilobular distribution ... #GroundGlass #Differential
Reticular pattern 1. Lymphangitic carcinomatosis: irregular septal thickening, usually focal or unilateral 50% adenopathy', known carcinoma. 2.
Reticular pattern ... and perihilar distribution ... #Clinical #Radiology ... #HRCT #CTChest ... #Comparison #Table
UIP with honeycombing (left) and chronic HP (right) Differential diagnosis of Hypersensitivity Pneumonitis. Subacute stage: - RB-ILD: seen in
chronic HP (right) Differential ... show very similar HRCT ... UIP has a strong lower ... zone distribution ... #CTChest #UIP #Comparison
Basic Interpretation A structured approach to interpretation of HRCT involves the following questions: What is the dominant HR-pattern: reticular nodular high
interpretation of HRCT ... the dominant HR-pattern ... an upper versus lower ... bronchiectasis) #Diagnosis #Radiology ... Interpretation #Algorithm
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