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 clinical ctchest diagnosis cystic pulmonary differential hrct interstitial consolidation langerhanscellhistiocytosis lobar lowattenuation nodular collapse diffuse findings histiocytosis idiopathic idiopathicinterstitialpneumonia
Differential diagnosis on HRCT Most of our knowledge about imaging findings in interstitial lung disease comes from
there are four patterns ... low attenuation (table ... common pattern ... 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 ... LCH: multiple round ... LowAttenuation #Cystic #Pattern ... #Comparison #Table ... #RadiologyAssistant
Low Attenuation pattern (2) 1. Centrilobular emphysema: low attenuation areas without walls. Notice the centrilobular artery
Low Attenuation pattern ... histiocytosis (LCH ... LowAttenuation #Cystic #Pattern ... #Comparison #Table ... #RadiologyAssistant
Nodular pattern 1. Hypersensitivity pneumonitis: ill defined centrilobular nodules. 2. Miliary TB: random nodules 3. Sarcoidosis: nodules with perilymphatic
Nodular pattern ... Hypersensitivity pneumonitis: ill ... CTChest #Nodular #Pattern ... #Comparison #Table ... #RadiologyAssistant
Here are the most common examples of these four patterns on a chest x-ray (click image
of these four patterns ... Nodule - Multiple Masses ... Clinical #Radiology #CXR ... Consolidation #Patterns ... #RadiologyAssistant
Cystic versus Reticular It can be difficult to determine whether we are dealing with a reticular pattern
with a reticular pattern ... or a cystic pattern ... or a reticular pattern ... In many of such cases ... #RadiologyAssistant
On the left some diseases with a nodular pattern. 1. Hypersensitivity pneumonitis: ill defined centrilobular nodules. 2. Miliary
with a nodular pattern ... bronchiolitis: ill ... CTChest #Nodular #Pattern ... #Differential #Comparison ... #Table #RadiologyAssistant
Differential diagnosis The table summarizes the most common diseases, that present with consolidation. Chronic diseases are indicated in
to look at the pattern ... more than one pattern ... lobar pneumonia caused ... Radiology #Pulmonary #CXR ... #RadiologyAssistant
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. They represent fundamental responses of
indicates unknown cause ... listed in the table ... have specific patterns ... realise, that these patterns ... #Findings #RadiologyAssistant
On the left a chest film of a 19 year old patient with Langerhans cell histiocytosis. The
is a reticular patern ... recognized that this pattern ... was caused by multiple ... Clinical #Radiology #CXR ... #CTChest #LCH #
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