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 pulmonary clinical diagnosis nodular nodularpattern reticular carcinomatosis centrilobular cxr diagram ggo groundglass groundglassopacity highattenuation lymphangitic lymphangiticcarcinomatosis mimic multiplenodules
Differential diagnosis on HRCT Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... on HRCT Most of ... low attenuation (table ... #Diagnosis #Radiology ... #Pattern #Differential
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
Algorithm for nodular pattern The algorithm to distinguish perilymphatic, random and centrilobular nodules is the following: - Look
pattern The algorithm ... bronchovascular interstitium ... #Diagnosis #Radiology ... #Pulmonary #HRCT ... MultipleNodules #Nodules #Differential
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
High Attenuation pattern (2) 1. Non specific interstitial pneumonitis (NSIP): ground glass with traction bronchiectasis, no
High Attenuation pattern ... Non specific interstitial ... #Clinical #Radiology ... #HRCT #CTChest ... #Comparison #Table
The distribution of nodules shown on HRCT is the most important factor in making an accurate
nodules shown on HRCT ... in the nodular pattern ... peribronchovascular interstitium ... #Diagnosis #Radiology ... Perilymphatic #Comparison
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 ... Centrilobular distribution ... bronchiolitis #Diagnosis #Radiology ... #GroundGlass #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
Reticular pattern 1. Lymphangitic carcinomatosis: irregular septal thickening, usually focal or unilateral 50% adenopathy', known carcinoma. 2.
Reticular pattern ... and perihilar distribution ... peribronchovascular interstitium ... #Clinical #Radiology ... #Comparison #Table
Septal thickening Thickening of the lung interstitium by fluid, fibrous tissue, or infiltration by cells results in
cells results in a pattern ... has a limited differential ... diagnosis (Table ... #Diagnosis #Radiology ... #Pulmonary #HRCT
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