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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diagnosis comparison pulmonary ctchest clinical appearance hepatic lesions liver pattern hrct cavity consolidation contrast ct cyst cysts emphysema interstitial langerhanscellhistiocytosis
Differential diagnosis of Langerhans cell histiocytosis. Nodular LCH: - Sarcoidosis: perilymphatic distribution. - Metastases: random distribution. Cystic LCH: - LAM: round
Langerhans cell histiocytosis ... Clinical #Diagnosis #Radiology ... #Cysts #Differential ... #Comparison #Table ... #RadiologyAssistant
Low Attenuation pattern (2) 1. Centrilobular emphysema: low attenuation areas without walls. Notice the centrilobular artery
Langerhans cell histiocytosis ... (LAM): regular cysts ... #Clinical #Radiology ... Pattern #Comparison #Table ... #RadiologyAssistant
Differential diagnosis on HRCT Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... low attenuation (table ... Langerhans cell histiocytosis ... #Diagnosis #Radiology ... #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 ... #Diagnosis #Radiology ... LowAttenuation #Differential ... Emphysema #SignetRing #RadiologyAssistant
Upper lung zone preference is seen in: - Inhaled particles: pneumoconiosis (silica or coal) - Smoking related diseases
Langerhans cell histiocytosis ... edema #Diagnosis #Radiology ... HRCT #ChestCT #Differential ... #Table #Distribution ... #Upper #Lower #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 ... Pattern #Comparison #Table ... #RadiologyAssistant
Lobar consolidation The most common presentation of consolidation is lobar or segmental. The most common diagnosis is lobar
The table lists ... the differential ... #Diagnosis #Radiology ... #Pulmonary #CXR ... #RadiologyAssistant
Hilar enlargement The table summarizes the causes of hilar enlargement. Normal hili are: - Normal in position - left
enlargement The table ... vessels #Diagnosis #Radiology ... #CXR #HilarEnlargement ... #Enlargement #Differential ... Unilateral #Bilateral #RadiologyAssistant
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
Cystic versus Reticular It can be difficult to determine whether we are dealing with a reticular pattern
The CXR is of a ... Langerhans cell histiocytosis ... On the CXR it is ... #Clinical #Radiology ... LangerhansCellHistiocytosis #LCH #RadiologyAssistant
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