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 radiologyassistant clinical diagnosis pulmonary cystic lowattenuation nodular collapse cysts diagram histiocytosis honeycombing interpretation interstitial langerhanscellhistiocytosis lch lobar nodularpattern rbild
Differential diagnosis on HRCT Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... four patterns: ... low attenuation (table ... common pattern ... The cystic pattern
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions. These include: - Emphysema -
The fourth pattern ... low attenuation pattern ... on the basis of HRCT ... LowAttenuation #Differential ... #Diagram #Comparison
Low Attenuation pattern 1. Lymphangiomyomatosis (LAM): uniform cysts in woman of child-bearing age; no history of
Low Attenuation pattern ... Centrilobular emphysema ... Clinical #Radiology #HRCT ... #Cystic #Pattern ... #Comparison #Table
Low Attenuation pattern (2) 1. Centrilobular emphysema: low attenuation areas without walls. Notice the centrilobular artery
Low Attenuation pattern ... Centrilobular emphysema ... Clinical #Radiology #HRCT ... #Cystic #Pattern ... #Comparison #Table
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
On the left some diseases with a nodular pattern. 1. Hypersensitivity pneumonitis: ill defined centrilobular nodules. 2. Miliary
with a nodular pattern ... Radiology #Pulmonary #CTChest ... #Nodular #Pattern ... NodularPattern #Differential ... #Comparison #Table
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 ... low attenuation (emphysema ... #CTChest #Interpretation ... #Algorithm #ILD
On the left a chest film of a 19 year old patient with Langerhans cell histiocytosis. The
film of a 19 year old ... is a reticular patern ... recognized that this pattern ... Clinical #Radiology #CXR ... #CTChest #LCH #
On the left a smoker with RB-ILD with subtle HRCT-findings. The dominant pattern is ground glass opacification. Additional
with subtle HRCT-findings ... The dominant pattern ... are paraseptal emphysema ... there is a broad differential ... Clinical #Radiology #CTChest
Lobar atelectasis or lobar collaps is an important finding on a chest x-ray and has a
has a limited differential ... produces only mild ... Diagnosis #Radiology #CXR ... Lobar #Collapse #Patterns ... #Comparison #RadiologyAssistant
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