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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clinical diagnosis comparison pulmonary langerhanscellhistiocytosis histiocytosis pattern appearance cxr hepatic hepatology hrct liver emphysema lowattenuation nodular cavity contrast ct cyst
Differential diagnosis of Langerhans cell histiocytosis. Nodular LCH: - Sarcoidosis: perilymphatic distribution. - Metastases: random distribution. Cystic LCH: - LAM: round
Cystic LCH: - LAM ... Clinical #Diagnosis #Radiology ... #CTChest #Cystic ... #Cysts #Differential ... #Comparison #Table
Low Attenuation pattern 1. Lymphangiomyomatosis (LAM): uniform cysts in woman of child-bearing age; no history of
LCH: multiple round ... #Clinical #Radiology ... #HRCT #CTChest ... Pattern #Comparison #Table ... #RadiologyAssistant
Low Attenuation pattern (2) 1. Centrilobular emphysema: low attenuation areas without walls. Notice the centrilobular artery
histiocytosis (LCH ... #Clinical #Radiology ... #HRCT #CTChest ... Pattern #Comparison #Table ... #RadiologyAssistant
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions. These include: - Emphysema -
or air-filled lesions ... #Diagnosis #Radiology ... #Pulmonary #CTChest ... LowAttenuation #Differential ... Emphysema #SignetRing #RadiologyAssistant
On the left another case of Langerhans' cell histiocytosis. It started as small noduli, which progressed over
bizarre shaped cysts ... #Clinical #Radiology ... #CTChest #LCH # ... Histiocytosis #Cystic ... #RadiologyAssistant
Nodular pattern(2) 1. Sarcoidosis: nodules with perilymphatic distribution, along fissures, adenopathy. 2. TB: Tree-in-bud appearance in a patient
before the typical cysts ... #Clinical #Radiology ... #HRCT #CTChest ... Pattern #Comparison #Table ... #RadiologyAssistant
Cystic versus Reticular It can be difficult to determine whether we are dealing with a reticular pattern
histiocytosis (LCH ... LCH is called a ... #Clinical #Radiology ... #CXR #CTChest # ... #RadiologyAssistant
In a later stage the nodules start to cavitate and become cysts. These cysts start as round
These cysts start ... of LCH. ... #Clinical #Radiology ... #CTChest #LCH # ... Histiocytosis #Cavitary #RadiologyAssistant
HRCT findings in Langerhans cell histiocytosis: Early stage: - Small irregular or stellate nodules in centrilobular location. Late stage
airspaces Cysts ... There are no cysts ... #Clinical #Radiology ... #CTChest #LCH # ... Histiocytosis #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 ... #RadiologyAssistant
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