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 ctchest diagnosis pulmonary clinical cxr ild interstitial hypersensitivity hypersensitivitypneumonitis pneumonitis acuteinterstitialpneumonia centrilobular chronic comparison consolidation cystic cysts dcld diagram
Differential diagnosis on HRCT Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... about imaging findings ... reticular, nodular ... low attenuation (table ... RadiologyAssistant
Algorithm for nodular pattern The algorithm to distinguish perilymphatic, random and centrilobular nodules is the following: - Look
Algorithm for nodular ... pattern The algorithm ... are diffuse and ... #Nodules #Differential ... #Algorithm #RadiologyAssistant
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions. These include: - Emphysema -
The fourth pattern ... on the basis of HRCT ... findings. ... LowAttenuation #Differential ... Emphysema #SignetRing #RadiologyAssistant
Sarcoidosis In this case the chest x-ray shows subtle findings that could be described as fine reticulation. In
x-ray shows subtle findings ... HRCT is needed to ... The HRCT - not shown ... #Interstitial #Pattern ... #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 ... on HRCT and histology ... #RadiologyAssistant
Acute interstitial pneumonia (AIP, earlier named Hamman Rich Pneumonitis) is a rare idiopathic lung disease characterized
The histologic pattern ... aswell as the HRCT ... findings in AIP ... are diffuse or ... AcuteInterstitialPneumonia #ILD #RadiologyAssistant
Differential diagnosis The table summarizes the most common diseases, that present with consolidation. Chronic diseases are indicated in
The table summarizes ... to look at the pattern ... more than one pattern ... lobar pneumonia caused ... #Table #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 ... : reticular nodular ... there additional findings ... Interpretation #Algorithm ... #ILD #RadiologyAssistant
On the left a patient with ground glass pattern in a mosaic distribution. Some lobules are involved
with ground glass pattern ... The differential ... are confluent, HRCT ... shows diffuse ground ... HypersenstitivityPneumonitis #RadiologyAssistant
Subacute hypersensitivity pneumonitis The key findings in the subacute hypersensitivity pneumonitis are: ill-defined centrilobular nodules of ground-glass opacity
pneumonitis The key findings ... opacity (80% of cases ... ) or mosaic pattern ... bronchiolitis with air ... Centrilobular #RadiologyAssistant
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