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 clinical pulmonary differential hrct nodularpattern cystic cysts diagram distribution hypersensitivity hypersensitivitypneumonitis ild interpretation interstitial lungmets metastases multiplenodules
Nodular pattern 1. Hypersensitivity pneumonitis: ill defined centrilobular nodules. 2. Miliary TB: random nodules 3. Sarcoidosis: nodules with perilymphatic
Nodular pattern ... pneumonitis: ill defined centrilobular ... Miliary TB: random ... #Pattern #Comparison ... #Table #RadiologyAssistant
The distribution of nodules shown on HRCT is the most important factor in making an accurate
nodules, centrilobular ... structures of the lung ... #Random #Centrilobular ... Perilymphatic #Comparison ... #Diagram #RadiologyAssistant
On the left some diseases with a nodular pattern. 1. Hypersensitivity pneumonitis: ill defined centrilobular nodules. 2. Miliary
pattern. 1. ... Miliary TB: random ... #Pattern #NodularPattern ... #Differential #Comparison ... #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 ... and centrilobular ... distribution is likely centrilobular ... #Algorithm #RadiologyAssistant
Differential diagnosis of Langerhans cell histiocytosis. Nodular LCH: - Sarcoidosis: perilymphatic distribution. - Metastases: random distribution. Cystic LCH: - LAM: round
Nodular LCH: - Sarcoidosis ... - Metastases: random ... ring sign'. - Centrilobular ... #Differential #Comparison ... #Table #RadiologyAssistant
Differential diagnosis on HRCT Most of our knowledge about imaging findings in interstitial lung disease comes from
in interstitial lung ... : reticular, nodular ... low attenuation (table ... seen and in many cases ... #Differential #RadiologyAssistant
Subacute hypersensitivity pneumonitis The key findings in the subacute hypersensitivity pneumonitis are: ill-defined centrilobular nodules of ground-glass opacity
nodules of ground-glass ... opacity (80% of cases ... ) or mosaic pattern ... opacity due to lung ... #RadiologyAssistant
Metastases Metastases are the most common cause of multiple pulmonary masses. Usually they vary in size and are
the most common cause ... demonstrate the random ... perilymphatic or centrilobular ... Clinical #Radiology #CXR ... #Metastases #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 ... perilymphatic or random ... Interpretation #Algorithm ... #ILD #RadiologyAssistant
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