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On the left a patient who had a CT to rule out pulmonary embolism.
There is a
CT to rule out pulmonary ... The diagnosis based ... #Clinical #Radiology ... SeptalThickening #CHF ... #RadiologyAssistant
Stage I - Redistribution
In a normal chest film with the patient standing erect, the pulmonary vessels
Views of the upper lobe ... during a period of CHF ... #Clinical #Radiology ... #CXR #CHF #Cephalization ... Redistribution #RadiologyAssistant
Hilar and mediastinal lymphadenopathy
In sarcoidosis the common pattern is right paratracheal and bilateral hilar adenopathy ('1-2-3-sign').
In
paratracheal and bilateral ... #Diagnosis #Radiology ... #Pulmonary #Mediastinal ... #Differential #RadiologyAssistant
Previous normal chest x-ray (left) and CHF stage II with perihilar haze (right). On the left
x-ray (left) and CHF ... The lateral view ... diameter of the pulmonary ... #Clinical #Radiology ... #Thickening #RadiologyAssistant
Differential diagnosis of Lymphangitic Carcinomatosis. 
On the left multiple diseases showing septal thickening:
1. Lymphangitic carcinomatosis: irregular
Differential diagnosis ... edema: bilateral ... demarcated secondary lobeles ... #Clinical #Radiology ... Comparison #Table #RadiologyAssistant
Batwing
A bilateral perihilar distribution of consolidation is also called a Batwing distribution.
The sparing of the periphery
Batwing A bilateral ... most typical of pulmonary ... #Diagnosis #Radiology ... #Differential #RadiologyAssistant
There is a hydropneumothorax.
Notice the air-fluid level (blue arrow).
The upper lobe is still attached to the
The upper lobe is ... is a possible diagnosis ... airways leading to pulmonary ... #Clinical #Radiology ... Lymphangioleiomyomatosis #LAM #RadiologyAssistant
On the left another patient with congestive heart failure.
The lateral view nicely demonstrates the increased diameter
The lateral view ... diameter of the pulmonary ... #Clinical #Radiology ... #CXR #CHF #Peribronchial ... PeribronchialCuffing #RadiologyAssistant
In this illustration the lower lobe arteries are coloured blue because they contain oxygen-poor blood.
They have
illustration the lower lobe ... level of the main pulmonary ... #Anatomy #Radiology ... #CXR #Lateral # ... PulmonaryVeins #RadiologyAssistant
Notice that even within each lobe there is a gravity dependent difference in density.
This is only
even within each lobe ... #Clinical #Radiology ... #CTChest #CHF # ... Alveolar #Pulmonary ... Gravity #Dependent #RadiologyAssistant