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 diagnosis clinical comparison hrct cxr lowattenuation cavity cyst cysts interstitial algorithm cavitarylesion chestct consolidation diagram diffuse distribution findings histiocytosis
Low Attenuation pattern 1. Lymphangiomyomatosis (LAM): uniform cysts in woman of child-bearing age; no history of
Low Attenuation pattern ... Centrilobular emphysema ... Radiology #HRCT #CTChest ... #Pattern #Comparison ... #Table #RadiologyAssistant
Low Attenuation pattern (2) 1. Centrilobular emphysema: low attenuation areas without walls. Notice the centrilobular artery
Low Attenuation pattern ... Centrilobular emphysema ... Radiology #HRCT #CTChest ... #Pattern #Comparison ... #Table #RadiologyAssistant
Differential diagnosis of Langerhans cell histiocytosis. Nodular LCH: - Sarcoidosis: perilymphatic distribution. - Metastases: random distribution. Cystic LCH: - LAM: round
Differential diagnosis ... Centrilobular emphysema ... Diagnosis #Radiology #CTChest ... #Differential #Comparison ... #Table #RadiologyAssistant
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions. These include: - Emphysema -
The fourth pattern ... Diagnosis #Radiology #Pulmonary ... #CTChest #LowAttenuation ... #Differential # ... #RadiologyAssistant
Upper lung zone preference is seen in: - Inhaled particles: pneumoconiosis (silica or coal) - Smoking related diseases
(centrilobular emphysema ... bronchiolitis (RB-ILD ... 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 ... The cystic pattern ... Diagnosis #Radiology #Pulmonary ... RadiologyAssistant
On the left some diseases with a nodular pattern. 1. Hypersensitivity pneumonitis: ill defined centrilobular nodules. 2. Miliary
before the typical cysts ... #CTChest #Nodular ... #Differential # ... Comparison #Table ... #RadiologyAssistant
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 ... caused by multiple cysts ... Histiocytosis #Cystic ... #RadiologyAssistant
Cavities frequently arise within a mass or an area of consolidation as a result of necrosis. We
In the differential ... associated pulmonary ... emphysema. ... Diagnosis #Radiology #CTChest ... #RadiologyAssistant
Basic Interpretation A structured approach to interpretation of HRCT involves the following questions: What is the dominant HR-pattern: reticular nodular high
the dominant HR-pattern ... low attenuation (emphysema ... , cystic) Where ... #HRCT #CTChest ... #RadiologyAssistant
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