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The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
responses of the lung ... indicates unknown cause ... listed in the table ... #Diagnosis #Radiology ... #Pulmonary #CTChest
Consolidation is synonymous with airspace disease.
When you think of the causes of consolidation, think of 'what
you think of the causes ... or tumor cells (Table ... long standing sarcoidosis ... #Diagnosis #Radiology ... #Pulmonary #CTChest
Ground Glass Opacities on Lung CT - Pathophysiology
Ground glass opacity lung is denser (whiter) than normal
often, GGO is caused ... alveoli, so the finding ... physical exam and ... other findings ... Pathophysiology #Radiology
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
about imaging findings ... in interstitial lung ... low attenuation (table ... in many cases UIP ... #Diagnosis #Radiology
Cardiac incisura
Click image to enlarge.
On the right side of the chest the lung will lie against
the lung will lie ... This causes a density ... It is a normal finding ... x-rays and should ... #Clinical #Radiology
Stage I - Redistribution
In a normal chest film with the patient standing erect, the pulmonary vessels
supplying the upper lung ... supplying the lung ... causes distension ... the lung bases ... #Clinical #Radiology
Radiologists use many terms to describe areas of decreased density or lucencies within the lung, like
lucencies within the lung ... since in many cases ... we describe a chest ... #Differential #Table ... Pulmonary #Diagnosis #Radiology
Mucoid impaction
Mucus plugs or mucoid impaction can mimick the appearance of lung nodules or a mass.
Sometimes
appearance of lung ... fibrosis (CF) and ... bronchial obstruction caused ... #Clinical #Radiology ... #CXR #CTChest #
Lobar pneumonia
On the chest x-ray there is an ill-defined area of increased density in the right
pneumonia On the chest ... if this patient had ... weight loss or long ... lobar pneumonia caused ... #Clinical #Radiology
Progressive Massive Fibrosis on Chest X-Ray
In a construction worker presenting with shortness of breath.
Progressive Massive Fibrosis
Massive Fibrosis on Chest ... chronic interstitial lung ... pneumoconiosis which is caused ... of the nodules and ... silicosis #clinical #radiology