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 diagnosis clinical comparison pattern chestct chronic cxr ggo hypersensitivitypneumonitis ild interstitial mimic nodularpattern reticular algorithm carcinomatosis central consolidation cystic
Nodular pattern 1. Hypersensitivity pneumonitis: ill defined centrilobular nodules. 2. Miliary TB: random nodules 3. Sarcoidosis: nodules with perilymphatic
perilymphatic distribution ... Clinical #Radiology #HRCT ... #CTChest #Nodular ... Pattern #Comparison #Table ... #RadiologyAssistant
Perilymphatic distribution Perilymphatic nodules are most commonly seen in sarcoidosis. They also occur in silicosis, coal-worker's pneumoconiosis and
Perilymphatic distribution ... Diagnosis #Radiology #Pulmonary ... #HRCT #CTChest ... #Differential # ... RadiologyAssistant
Central distribution is seen in sarcoidosis and cardiogenic pulmonary edema. Peripheral distribution is mainly seen in cryptogenic
and cardiogenic pulmonary ... Diagnosis #Radiology #Pulmonary ... #HRCT #ChestCT ... #Differential #Table ... Central #Peripheral #RadiologyAssistant
Nodular pattern(2) 1. Sarcoidosis: nodules with perilymphatic distribution, along fissures, adenopathy. 2. TB: Tree-in-bud appearance in a patient
perilymphatic distribution ... Clinical #Radiology #HRCT ... #CTChest #Nodular ... Pattern #Comparison #Table ... #RadiologyAssistant
Algorithm for nodular pattern The algorithm to distinguish perilymphatic, random and centrilobular nodules is the following: - Look
in number, the distribution ... Diagnosis #Radiology #Pulmonary ... #HRCT #CTChest ... #Differential # ... Algorithm #RadiologyAssistant
On the left some diseases with a nodular pattern. 1. Hypersensitivity pneumonitis: ill defined centrilobular nodules. 2. Miliary
Diagnosis #Radiology #Pulmonary ... #CTChest #Nodular ... NodularPattern #Differential ... #Comparison #Table ... #RadiologyAssistant
Upper lung zone preference is seen in: - Inhaled particles: pneumoconiosis (silica or coal) - Smoking related diseases
- Aspiration - Pulmonary ... #HRCT #ChestCT ... #Differential #Table ... #Distribution # ... Upper #Lower #RadiologyAssistant
Differential diagnosis of Langerhans cell histiocytosis. Nodular LCH: - Sarcoidosis: perilymphatic distribution. - Metastases: random distribution. Cystic LCH: - LAM: round
Differential diagnosis ... Nodular LCH: - Sarcoidosis ... Diagnosis #Radiology #CTChest ... #Comparison #Table ... #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 secondry nodules ... Radiology #CXR #CTChest ... #RadiologyAssistant
Ground-glass opacity Ground-glass opacity (GGO) represents: - Filling of the alveolar spaces with pus, edema, hemorrhage, inflammation or
resolution of the HRCT ... Centrilobular distribution ... #CTChest #GGO # ... #GroundGlass #Differential ... #RadiologyAssistant
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