25 results
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
in interstitial lung ... there are four patterns ... is interstitial lung ... seen and in many cases ... #Differential #RadiologyAssistant
Whenever you see an area of increased density within the lung, it must be the result
density within the lung ... of these four patterns ... cells (including tumor ... Consolidation #Patterns ... #RadiologyAssistant
Consolidation is synonymous with airspace disease.
When you think of the causes of consolidation, think of 'what
you think of the causes ... edema, blood or tumor ... UIP, NSIP and long ... the alveoli and cause ... #Differential #RadiologyAssistant
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
responses of the lung ... indicates unknown cause ... have specific patterns ... realise, that these patterns ... ILD #Findings #RadiologyAssistant
Mucoid impaction
Mucus plugs or mucoid impaction can mimick the appearance of lung nodules or a mass.
Sometimes
appearance of lung ... bronchial obstruction caused ... an obstructing tumor ... structures in the right lung ... Mucus #Plugging #RadiologyAssistant
Ground-glass opacity
Ground-glass opacity (GGO) represents:
- Filling of the alveolar spaces with pus, edema, hemorrhage, inflammation or
inflammation or tumor ... or interstitial lung ... in ground glass pattern ... #Differential #RadiologyAssistant
The distribution of nodules shown on HRCT is the most important factor in making an accurate
in the nodular pattern ... In most cases small ... structures of the lung ... NodularPattern #Nodular #Pattern ... Comparison #Diagram #RadiologyAssistant
Differential diagnosis
The table summarizes the most common diseases, that present with consolidation.
Chronic diseases are indicated in
- Cells - tumor ... to look at the pattern ... more than one pattern ... lobar pneumonia caused ... Differential #Table #RadiologyAssistant
UIP
UIP is a histologic pattern of pulmonary fibrosis.
On a chest X-ray UIP manifests as a reticular
particularly at the lung ... bases. ... In many cases you ... at the lung bases ... #Honeycombing #RadiologyAssistant
Anaplastic large cell lymphoma, ALK+
Clinical
 • First 3 decades of life, M>F
 • Often nodal +
, soft tissue, lungs ... resemble metastatic tumor ... • Hodgkin-like pattern ... • Composite pattern ... than one • Rare cases