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 clinical comparison diagnosis pattern lowattenuation pulmonary cxr emphysema langerhanscellhistiocytosis lch nodular cavity cyst diagram early honeycombing interstitial lam lymphangiomyomatosis
Low Attenuation pattern (2) 1. Centrilobular emphysema: low attenuation areas without walls. Notice the centrilobular artery
multiple thick walled cysts ... (LAM): regular cysts ... Clinical #Radiology #HRCT ... #Comparison #Table ... #RadiologyAssistant
Differential diagnosis of Langerhans cell histiocytosis. Nodular LCH: - Sarcoidosis: perilymphatic distribution. - Metastases: random distribution. Cystic LCH: - LAM: round
Langerhans cell histiocytosis ... : round cysts, evenly ... Diagnosis #Radiology #CTChest ... #Cystic #Cysts ... #Table #RadiologyAssistant
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions. These include: - Emphysema -
Emphysema - Lung cysts ... Langerhans cell histiocytosis ... on the basis of HRCT ... LowAttenuation #Differential ... TractionBronchiectasis #Cysts
Low Attenuation pattern 1. Lymphangiomyomatosis (LAM): uniform cysts in woman of child-bearing age; no history of
(LAM): uniform cysts ... bizarre shaped cysts ... Clinical #Radiology #HRCT ... #Comparison #Table ... #RadiologyAssistant
Nodular pattern(2) 1. Sarcoidosis: nodules with perilymphatic distribution, along fissures, adenopathy. 2. TB: Tree-in-bud appearance in a patient
Langerhans cell histiocytosis ... before the typical cysts ... Clinical #Radiology #HRCT ... #CTChest #Nodular ... #RadiologyAssistant
HRCT findings in Langerhans cell histiocytosis: Early stage: - Small irregular or stellate nodules in centrilobular location. Late stage
HRCT findings in ... airspaces Cysts ... There are no cysts ... Clinical #Radiology #CTChest ... #RadiologyAssistant
Differential diagnosis on HRCT Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... low attenuation (table ... When the cysts have ... Langerhans cell histiocytosis ... #RadiologyAssistant
Cavities frequently arise within a mass or an area of consolidation as a result of necrosis. We
them from cysts ... Cysts occur without ... Cysts usually contain ... Langerhans cell histiocytosis ... #Cavity #Cyst #
On the left some diseases with a nodular pattern. 1. Hypersensitivity pneumonitis: ill defined centrilobular nodules. 2. Miliary
Langerhans cell histiocytosis ... before the typical cysts ... NodularPattern #Differential ... #Comparison #Table ... #RadiologyAssistant
Differential diagnosis of Lymphangiomyomatosis: Langerhans cell histiocytosis: > 90% are smokers, cysts have irregular shapes and the
Differential diagnosis ... Langerhans cell histiocytosis ... 90% are smokers, cysts ... Clinical #Radiology #CTChest ... #RadiologyAssistant
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