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Here are the most common examples of these four patterns on a chest x-ray (click image
Consolidation - Lobar ... opacities - Fine Nodular ... Solitary Pulmonary Nodule ... Diagnosis #Clinical #Radiology ... Consolidation #Patterns #RadiologyAssistant
Perilymphatic distribution
Perilymphatic nodules are most commonly seen in sarcoidosis.
They also occur in silicosis, coal-worker's pneumoconiosis and
Perilymphatic nodules ... They also occur ... and the nodular ... #Diagnosis #Radiology ... #Differential #RadiologyAssistant
On the left another typical case of sarcoidosis.
In addition to the perilymphatic nodules, there are multiple
perilymphatic nodules ... nodes, which is also ... fibrosis, which is also ... #Clinical #Radiology ... #RadiologyAssistant
Algorithm for nodular pattern
The algorithm to distinguish perilymphatic, random and centrilobular nodules is the following:
- Look
Algorithm for nodular ... centrilobular nodules ... and also nodules ... #Diagnosis #Radiology ... Differential #Algorithm #RadiologyAssistant
Whenever you see an area of increased density within the lung, it must be the result
substances resulting in lobar ... opacities or small nodules ... . 3- Nodule or mass ... #Diagnosis #Radiology ... Consolidation #Patterns #RadiologyAssistant
Differential diagnosis
The table summarizes the most common diseases, that present with consolidation.
Chronic diseases are indicated in
- Lobar or focal ... respond to the treatment ... typically present as ... #Diagnosis #Radiology ... Differential #Table #RadiologyAssistant
Based on the images alone, it is usually not possible to determine the cause of the
Lobar pneumonia ... in fact this is nodular ... Clinical #Diagnosis #Radiology ... #CXR #Lobar #Consolidation ... #Causes #RadiologyAssistant
It is very important to differentiate between acute consolidation and chronic consolidation, because it will limit
Neoplasm with lobar ... granulomatous noduli ... This is known as ... #Diagnosis #Radiology ... #Differential #RadiologyAssistant
Mucoid impaction
Mucus plugs or mucoid impaction can mimick the appearance of lung nodules or a mass.
Sometimes
appearance of lung nodules ... bronchiectasis, as ... It is also seen ... #Clinical #Radiology ... Mucus #Plugging #RadiologyAssistant
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
patterns: reticular, nodular ... cystic pattern is also ... frequently presents as ... #Diagnosis #Radiology ... #Differential #RadiologyAssistant