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Radiographic Features of Pulmonary Diseases
 - Pneumonia
 - Atelectasis
 - Emphysema
 - Pneumothorax
 - Effusion
 -
Metastases - Interstitial ... - Reticular - ... Radiology #Patterns #Lung ... #CXR #XRay #ChestCT ... #Differential #
Lung Segment Anatomy Annotated on Chest CT
Right Lung:
 • Upper Lobe: Apical, Posterior, Anterior
 • Middle
Lung Segment Anatomy ... Annotated on Chest ... radiopaedia.org/cases ... #CT #CTChest #pulmonary ... clinical #radiology #Anatomy
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... lung disease comes ... lung disease and ... Diagnosis #Radiology #Pulmonary ... #CXR #Interstitial
Here are the most common examples of these four patterns on a chest x-ray (click image
patterns on a chest ... - Reticular interstitial ... mass - Solitary Pulmonary ... Nodule - Multiple Masses ... Clinical #Radiology #CXR
Cystic Lung Disease
Upper Lobe Predominant: 
Langerhans Cell Histiocytosis, Pneumocystis Jiroveci, Hypersensitivity Pneumonitis, Neurofibromatosis Type 1, Paracoccidioidomycosis,
Cystic Lung Disease ... , Desquamative Interstitial ... nickmmark #Cystic #Lung ... #Disease #differential ... #diagnosis #causes
The CXR demonstrates a reticular interstitial pattern with a preference at the lung bases.
The HRCT demonstrates
a reticular interstitial ... preference at the lung ... bases. ... #UIP #CTChest # ... Reticular #Interstitial
On the left a chest film of a patient with UIP due to IPF.
The findings on
changes in the basal lung ... densities caused ... Clinical #Radiology #CXR ... #CTChest #UIP # ... UsualInterstitialPneumonitis #Usual #Interstitial
UIP
UIP is a histologic pattern of pulmonary fibrosis.
On a chest X-ray UIP manifests as a reticular
histologic pattern of pulmonary ... On a chest X-ray ... particularly at the lung ... at the lung bases ... #Interstitial #
Rheumatoid arthritis (RA): Extra-articular manifestations
Skin: 
 • Inflammation of skin (esp. over areas of stress) forms
Ulcers, Livedo reticularis ... pleural effusion on CXR ... inflammation tends to cause ... interstitial lung ... disease/pulmonary
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
Causes of Hypoxemia ... - Differential Diagnosis ... Limitation • Interstitial ... lung disease ... Abnormalities • Chest