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 clinical diagnosis cxr hrct pulmonary differential interstitial honeycombing ild nodular uip lowattenuation consolidation cysts diagram highattenuation langerhanscellhistiocytosis lch
Differential diagnosis on HRCT Most of our knowledge about imaging findings in interstitial lung disease comes from
low attenuation (table ... The cystic pattern ... When the cysts have ... seen and in many cases ... #Differential #RadiologyAssistant
Low Attenuation pattern 1. Lymphangiomyomatosis (LAM): uniform cysts in woman of child-bearing age; no history of
Low Attenuation pattern ... (LAM): uniform cysts ... bizarre shaped cysts ... #Pattern #Comparison ... #Table #RadiologyAssistant
Low Attenuation pattern (2) 1. Centrilobular emphysema: low attenuation areas without walls. Notice the centrilobular artery
Low Attenuation pattern ... (LAM): regular cysts ... LowAttenuation #Cystic ... #Pattern #Comparison ... #Table #RadiologyAssistant
Differential diagnosis of Langerhans cell histiocytosis. Nodular LCH: - Sarcoidosis: perilymphatic distribution. - Metastases: random distribution. Cystic LCH: - LAM: round
Cystic LCH: - LAM ... : round cysts, evenly ... #Cysts #Differential ... #Comparison #Table ... #RadiologyAssistant
Cystic versus Reticular It can be difficult to determine whether we are dealing with a reticular pattern
Cystic versus Reticular ... pattern or a cystic ... pattern. ... In many of such cases ... LangerhansCellHistiocytosis #LCH #RadiologyAssistant
Nodular pattern(2) 1. Sarcoidosis: nodules with perilymphatic distribution, along fissures, adenopathy. 2. TB: Tree-in-bud appearance in a patient
Nodular pattern( ... before the typical cysts ... CTChest #Nodular #Pattern ... #Comparison #Table ... #RadiologyAssistant
Interstitial pneumonias An acute reticular pattern is most frequently caused by interstitial edema due to cardiac heart
pneumonias An acute reticular ... pattern is most ... frequently caused ... The other cause ... Pneumonia #PJP #RadiologyAssistant
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions. These include: - Emphysema -
The fourth pattern ... Emphysema - Lung cysts ... low attenuation pattern ... Differential #Diagram #Comparison ... Emphysema #SignetRing #RadiologyAssistant
Here are the most common examples of these four patterns on a chest x-ray (click image
of these four patterns ... Interstitial - Reticular ... Nodule - Multiple Masses ... Consolidation #Patterns ... #RadiologyAssistant
Nodular pattern 1. Hypersensitivity pneumonitis: ill defined centrilobular nodules. 2. Miliary TB: random nodules 3. Sarcoidosis: nodules with perilymphatic
Nodular pattern ... CTChest #Nodular #Pattern ... #Comparison #Table ... #RadiologyAssistant
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