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
Differential diagnosis ... : reticular, nodular ... seen and in many cases ... #Pulmonary #CXR ... #Differential #
COVID-19 Chest CT - Case 4

Main aspects of the image: multiple opacities in the glass and
COVID-19 Chest CT ... at times with a nodular ... a multilobular pattern ... #SARSCoV2 #CTChest ... #Clinical #CriticalCare
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Perilymphatic distribution
Perilymphatic nodules are most commonly seen in sarcoidosis.
They also occur in silicosis, coal-worker's pneumoconiosis and
the reticular pattern ... #Diagnosis #Radiology ... #Pulmonary #HRCT ... #CTChest #Perilymphatic ... #Nodular #Differential
Here are the most common examples of these four patterns on a chest x-ray (click image
on a chest x-ray ... opacities - Fine Nodular ... mass - Solitary Pulmonary ... Nodule - Multiple Masses ... Atelectasis #Diagnosis
Algorithm for nodular pattern
The algorithm to distinguish perilymphatic, random and centrilobular nodules is the following:
- Look
#Diagnosis #Radiology ... #Pulmonary #HRCT ... #CTChest #NodularPattern ... #Nodular #Pattern ... MultipleNodules #Nodules #Differential
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
pattern. 1. ... #Clinical #Diagnosis ... #Radiology #Pulmonary ... #CTChest #Nodular ... #Differential #
Etiologies of pulmonary infections according to CT-scan patterns. 
CMV cytomegalovirus, GM galactomannan, HSV herpes simplex virus,
Etiologies of pulmonary ... according to CT-scan patterns ... #Pulmonary #Lung ... ComputedTomography #Differential ... #Diagnosis #Chest
COVID-19 Chest CT - Case 3

Main aspects of the image: multiple opacities in the glass and
COVID-19 Chest CT ... at times with a nodular ... a multilobular pattern ... #SARSCoV2 #CTChest ... #Clinical #CriticalCare
β–Ί
COVID-19 Chest CT - Case 1

Main aspects of the image: multiple opacities in the glass and
COVID-19 Chest CT ... at times with a nodular ... a multilobular pattern ... #SARSCoV2 #CTChest ... #Clinical #CriticalCare
β–Ί
COVID-19 Chest CT - Case 2

Main aspects of the image: multiple opacities in the glass and
COVID-19 Chest CT ... at times with a nodular ... a multilobular pattern ... #SARSCoV2 #CTChest ... #Clinical #CriticalCare
β–Ί