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Here are the most common examples of these four patterns on a chest x-ray (click image
patterns on a chest ... consolidation - Multifocal ill-defined ... consolidations Interstitial ... - Reticular interstitial ... mass - Solitary Pulmonary
High-Res Chest CT Patterns - Differential Diagnosis Framework
Reticular:
 • Septal Thickening: Lymphangitic Carcinoma, Interstitial Edema, Alveolar
High-Res Chest CT ... Diagnosis Framework Reticular ... Lymphangitic Carcinoma, Interstitial ... Honeycombing: Idiopathic Pulmonary ... HiRes #HighRes #Chest
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
four patterns: reticular ... , nodular, high ... On a Chest X-Ray ... detected on a chest ... Diagnosis #Radiology #Pulmonary
Rheumatoid arthritis (RA): Extra-articular manifestations
Skin: 
 • Inflammation of skin (esp. over areas of stress) forms
Pericarditis) -> Chest ... Dyspnea, pleuritic chest ... tends to cause interstitial ... lung disease/pulmonary ... fibrosis (mechanism
Septal thickening
Thickening of the lung interstitium by fluid, fibrous tissue, or infiltration by cells results in
by fluid, fibrous ... in a pattern of reticular ... pulmonary edema ... Kerley B lines on chest ... #HRCT #CTChest
Amiodarone Induced Lung Toxicity Summary

Who?
• 5% of patients
• Dose ≥ 400 mg per day

How?  Possible
associated with high ... Pleuritic chest ... Exclusion of other ILDs ... ground glass or reticular ... opacities on chest
UIP
UIP is a histologic pattern of pulmonary fibrosis.
On a chest X-ray UIP manifests as a reticular
histologic pattern of pulmonary ... fibrosis. ... On a chest X-ray ... manifests as a reticular ... #Interstitial #
Uncommon Causes of Noncardiogenic Pulmonary Edema (NCPE) - Differential Diagnosis Framework

High Altitude Pulmonary Edema:
 • Accumulation
Diagnosis Framework High ... • High-altitude ... interstitium and ... infiltrates on chest ... scattered crackles, chest
Sarcoidosis - Diagnosis and Management Summary
Epidemiology
1) High incidence in Scandinavian countries (11-24 cases per 100,000 individuals
Epidemiology 1) High ... survival is 93-95% Pathophysiology ... fibroblasts → fibrosis ... Pulmonary: dyspnea ... , cough, chest pain
CT and ultrasonographic features of COVID-19 pneumonia
Lung CT:
 - Thickened pleura
 - Ground glass shadow and
and effusion - Pulmonary ... infection; alveolar interstitial ... fibrosis #COVID19 ... #pneumonia #ChestCT ... #Ultrasound #POCUS