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 on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
On a Chest X-Ray ... The cystic pattern ... When the cysts have ... in many cases UIP ... #Diagnosis #Radiology
Ground-glass opacity
Ground-glass opacity (GGO) represents:
- Filling of the alveolar spaces with pus, edema, hemorrhage, inflammation or
in ground glass pattern ... predominance: UIP ... , NSIP, DIP. - Centrilobular ... #Radiology #Pulmonary ... #CTChest #GGO #
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
The fourth pattern ... cysts (LAM, LIP ... low attenuation pattern ... #Diagnosis #Radiology ... #Pulmonary #CTChest
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
have specific patterns ... realise, that these patterns ... of NSIP, UIP, OP ... #Diagnosis #Radiology ... #Pulmonary #CTChest
UIP
UIP is a histologic pattern of pulmonary fibrosis.
On a chest X-ray UIP manifests as a reticular
UIP UIP is a histologic ... pattern of pulmonary ... fibrosis. ... On a chest X-ray ... #Clinical #Radiology
On the left a chest film of a patient with UIP due to IPF.
The findings on
On the left a chest ... a patient with UIP ... thick walls of the cysts ... preference also think 'UIP ... #Clinical #Radiology
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 ... there additional findings ... #Radiology #Pulmonary ... #HRCT #CTChest ... #ILD #RadiologyAssistant
Acute interstitial pneumonia (AIP, earlier named Hamman Rich Pneumonitis) is a rare idiopathic lung disease characterized
The histologic pattern ... findings in AIP ... AIP. ... #Clinical #Radiology ... #CTChest #AIP #
Septal thickening
Thickening of the lung interstitium by fluid, fibrous tissue, or infiltration by cells results in
fluid, fibrous ... cells results in a pattern ... Kerley B lines on chest ... #Diagnosis #Radiology ... #Pulmonary #HRCT
On the left a chest film of a 19 year old patient with Langerhans cell histiocytosis.
The
On the left a chest ... is a reticular patern ... recognized that this pattern ... caused by multiple cysts ... #Clinical #Radiology