Dr. Gerald Diaz @GeraldMD
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Board Certified Internal Medicine Hospitalist, GrepMed Editor in Chief πŸ‡΅πŸ‡­ πŸ‡ΊπŸ‡Έ - 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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Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Langerhans cell histiocytosis ... : round cysts, evenly ... #Cysts #Differential ... #Comparison #Table ... #RadiologyAssistant
Low Attenuation pattern (2) 
1. Centrilobular emphysema: low attenuation areas without walls. Notice the centrilobular artery
Langerhans cell histiocytosis ... multiple thick walled cysts ... (LAM): regular cysts ... #Clinical #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 ... TractionBronchiectasis #Cysts
Cavities frequently arise within a mass or an area of consolidation as a result of necrosis.
We
between cavities and cysts ... them from cysts ... Cysts occur without ... Cysts usually contain ... Langerhans cell histiocytosis
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
low attenuation (table ... When the cysts have ... Langerhans cell histiocytosis ... #Diagnosis #Radiology ... #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
Pericardial cyst
Pericardial cysts are connected to the pericardium and usually contain clear fluid.
The majority of pericardial
Pericardial cyst ... Pericardial cysts ... of pericardial cysts ... On CT however there ... #CXR #CTChest #
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
Appearance of Liver Lesions on Computed Tomography (CT) - Arterial Phase, Portal Venous Phase and Delayed
Computed Tomography (CT ... nodule, Hepatic cyst ... #radiology #differential ... diagnosis #comparison #table ... #appearance #hepatology
Appearance of Liver Lesions on Various Imaging Modalities
 β€’ Computed Tomography (CT) - Arterial Phase, Portal
nodule, Hepatic cyst ... #MRI #POCUS #radiology ... #differential # ... diagnosis #comparison #table ... #appearance #hepatology