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 nodular chronic comparison consolidation cystic fibrosis groundglass groundglassopacity histiocytosis hypersensitivity hypersensitivitypneumonitis hypersenstitivitypneumonitis interstitial langerhanscellhistiocytosis lch
Differential diagnosis on HRCT Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... low attenuation (table ... pattern on a CXR ... #Differential # ... RadiologyAssistant
Algorithm for nodular pattern The algorithm to distinguish perilymphatic, random and centrilobular nodules is the following: - Look
pattern The algorithm ... the nodules are diffuse ... Radiology #Pulmonary #HRCT ... MultipleNodules #Nodules #Differential ... #Algorithm #RadiologyAssistant
Perilymphatic distribution Perilymphatic nodules are most commonly seen in sarcoidosis. They also occur in silicosis, coal-worker's pneumoconiosis and
Perilymphatic distribution ... thickening in the reticular ... pattern. ... Radiology #Pulmonary #HRCT ... #RadiologyAssistant
Chronic hypersensitivity pneumonitis The key findings in chronic hypersensitivity pneumonitis are: Mosaic pattern with areas of ground-glass atenuation
in a mid zone distribution ... The HRCT shows a ... and intralobular reticular ... Clinical #Radiology #CXR ... Chronic #Fibrosis #RadiologyAssistant
Ground-glass opacity Ground-glass opacity (GGO) represents: - Filling of the alveolar spaces with pus, edema, hemorrhage, inflammation or
resolution of the HRCT ... in ground glass pattern ... Centrilobular distribution ... #GroundGlass #Differential ... #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 ... of distribution ... Radiology #Pulmonary #CXR ... #Table #RadiologyAssistant
Reticular pattern 1. Lymphangitic carcinomatosis: irregular septal thickening, usually focal or unilateral 50% adenopathy', known carcinoma. 2.
Reticular pattern ... incidental finding in HRCT ... and perihilar distribution ... #CTChest #Reticular ... #Table #RadiologyAssistant
On the left a patient with ground glass pattern in a mosaic distribution. Some lobules are involved
with ground glass pattern ... in a mosaic distribution ... The differential ... are confluent, HRCT ... shows diffuse ground
Septal thickening Thickening of the lung interstitium by fluid, fibrous tissue, or infiltration by cells results in
cells results in a pattern ... of reticular opacities ... diagnosis (Table ... Radiology #Pulmonary #HRCT ... #RadiologyAssistant
On the left a chest film of a 19 year old patient with Langerhans cell histiocytosis. The
chest film is a reticular ... patern and that's ... far as you can go ... Clinical #Radiology #CXR ... Histiocytosis #Cystic #RadiologyAssistant
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