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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 ... - Reticular interstitial ... opacities Nodule or mass ... Nodule - Multiple Masses ... Clinical #Radiology #CXR
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
lung disease comes ... On a Chest X-Ray ... lung disease and ... On a CXR the most ... seen and in many cases
Mucoid impaction
Mucus plugs or mucoid impaction can mimick the appearance of lung nodules or a mass.
Sometimes
appearance of lung ... nodules or a mass ... bronchial obstruction caused ... Clinical #Radiology #CXR ... #CTChest #MucoidImpaction
Progressive Massive Fibrosis on Chest X-Ray
In a construction worker presenting with shortness of breath.
Progressive Massive Fibrosis
Massive Fibrosis on Chest ... Fibrosis is a chronic interstitial ... lung disease with ... pneumoconiosis which is caused ... #XRay #CXR #silicosis
The CXR demonstrates a reticular interstitial pattern with a preference at the lung bases.
The HRCT demonstrates
The CXR demonstrates ... a reticular interstitial ... preference at the lung ... bases. ... #UIP #CTChest #
Whenever you see an area of increased density within the lung, it must be the result
density within the lung ... opacities. 2- Interstitial ... tissue of the lung ... . 3- Nodule or mass ... Diagnosis #Radiology #CXR
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
The idiopathic interstitial ... responses of the lung ... indicates unknown cause ... and interstitial ... Radiology #Pulmonary #CTChest
Chronic Cough - Differential Diagnosis Algorithm
Red Flags:
 • Fever, night sweats, chills (infection)
 • Weight loss,
Dyspnea (underlying lung ... lymadenopathy, clubbing, chest ... ) • Abnormal CXR ... History of cancer, lung ... Diagnosis #Algorithm #causes
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
Causes of Hypoxemia ... Limitation • Interstitial ... lung disease ... Abnormalities • Chest ... Diagnosis #Algorithm #Causes
Rheumatoid arthritis (RA): Extra-articular manifestations
Skin: 
 • Inflammation of skin (esp. over areas of stress) forms
Pericarditis) -> Chest ... friction rub audible Lungs ... pleural effusion on CXR ... inflammation tends to cause ... interstitial lung