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Nontuberculous mycobacteria
Nontuberculous mycobacteria, also known as atypical mycobacteria, are all the other mycobacteria which can cause
mycobacteria which can cause ... in both upper lobes ... AirFluidLevel #RadiologyAssistant
There is an atelectasis of the left upper lobe.
You would not expect the apical region to
the left upper lobe ... in fact this is caused ... overinflation of the lower lobe ... , which causes the ... LuftsichelSign #RadiologyAssistant
Lobar pneumonia
On the chest x-ray there is an ill-defined area of increased density in the right
the right upper lobe ... include the list of causes ... lobar pneumonia caused ... Lobar #Pneumonia #RadiologyAssistant
Stage I - Redistribution
In a normal chest film with the patient standing erect, the pulmonary vessels
supplying the lung bases ... non-perfused vessels and causes ... lower to the upper lobes ... Views of the upper lobe ... Redistribution #RadiologyAssistant
Cardiac incisura
Click image to enlarge.
On the right side of the chest the lung will lie against
This causes a density ... lingula or middle lobe ... Cardiac #Incisura #RadiologyAssistant
Metastases
Metastases are the most common cause of multiple pulmonary masses.
Usually they vary in size and are
the most common cause ... multiple pulmonary masses ... predominate in the lower lobes ... Lung #Metastases #RadiologyAssistant
On the left a chest film of a patient with UIP due to IPF.
The findings on
reticular densities caused ... reticulation with a lower lobe ... Reticular #ILD #RadiologyAssistant
Lung Segment Anatomy Annotated on Chest CT
Right Lung:
 • Upper Lobe: Apical, Posterior, Anterior
 • Middle
Lung: • Upper Lobe ... Anterior • Middle Lobe ... Medial • Lower Lobe ... Lung: • Upper Lobe ... radiopaedia.org/cases
On the left a chest film of a 19 year old patient with Langerhans cell histiocytosis.
The
this pattern was caused ... The upper lobe predominance ... Histiocytosis #Cystic #RadiologyAssistant
On the left another typical case of sarcoidosis.
In addition to the perilymphatic nodules, there are multiple
another typical case ... located in the upper lobes ... Peribronchovascular #Nodular #RadiologyAssistant