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 comparison nodular cxr reticular central cystic groundglass groundglassopacity histiocytosis hypersenstitivitypneumonitis interstitial langerhanscellhistiocytosis lch lower mosaic mosaicattenuation
Central distribution is seen in sarcoidosis and cardiogenic pulmonary edema. Peripheral distribution is mainly seen in cryptogenic
Central distribution ... Radiology #Pulmonary #HRCT ... #ChestCT #Differential ... #Table #Distribution ... Central #Peripheral #RadiologyAssistant
Nodular pattern 1. Hypersensitivity pneumonitis: ill defined centrilobular nodules. 2. Miliary TB: random nodules 3. Sarcoidosis: nodules with perilymphatic
perilymphatic distribution ... #Clinical #Radiology ... #HRCT #CTChest ... #Comparison #Table ... #RadiologyAssistant
Nodular pattern(2) 1. Sarcoidosis: nodules with perilymphatic distribution, along fissures, adenopathy. 2. TB: Tree-in-bud appearance in a patient
perilymphatic distribution ... #Clinical #Radiology ... #HRCT #CTChest ... #Comparison #Table ... #RadiologyAssistant
Upper lung zone preference is seen in: - Inhaled particles: pneumoconiosis (silica or coal) - Smoking related diseases
Radiology #Pulmonary #HRCT ... #ChestCT #Differential ... #Table #Distribution ... #Upper #Lower #RadiologyAssistant
Differential diagnosis on HRCT Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... low attenuation (table ... On a Chest X-Ray ... #Differential # ... 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 ... Centrilobular distribution ... #GroundGlass #Differential ... #RadiologyAssistant
On the left some diseases with a nodular pattern. 1. Hypersensitivity pneumonitis: ill defined centrilobular nodules. 2. Miliary
with a nodular pattern ... #Clinical #Diagnosis ... NodularPattern #Differential ... #Comparison #Table ... #RadiologyAssistant
On the left a patient with ground glass pattern in a mosaic distribution. Some lobules are involved
with ground glass pattern ... in a mosaic distribution ... The differential ... are confluent, HRCT ... #CTChest #GGO #
Reticular pattern 1. Lymphangitic carcinomatosis: irregular septal thickening, usually focal or unilateral 50% adenopathy', known carcinoma. 2.
Reticular pattern ... and perihilar distribution ... #Clinical #Radiology ... #Comparison #Table ... #RadiologyAssistant
Septal thickening Thickening of the lung interstitium by fluid, fibrous tissue, or infiltration by cells results in
cells results in a pattern ... diagnosis (Table ... Kerley B lines on chest ... Radiology #Pulmonary #HRCT ... #RadiologyAssistant
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