44 results
Upper lung zone preference is seen in:
- Inhaled particles: pneumoconiosis (silica or coal)
- Smoking related diseases
Upper lung zone ... - Aspiration - Pulmonary ... edema #Diagnosis #Radiology ... #Pulmonary #HRCT ... #Upper #Lower #RadiologyAssistant
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
result in decreased lung ... - Emphysema - Lung ... #Diagnosis #Radiology ... #Pulmonary #CTChest ... Emphysema #SignetRing #RadiologyAssistant
Abnormalities in Rate and Rhythm of Breathing 
Normal 
The respiratory rate is about 14—20 per min
and Rhythm of Breathing ... including restrictive lung ... In lung disease ... #Pulmonary #Abnormalities ... Abnormal #Diagnosis #PhysicalExam
There is a hydropneumothorax.
Notice the air-fluid level (blue arrow).
The upper lobe is still attached to the
There is a lung ... with a cystic lung ... airways leading to pulmonary ... #Clinical #Radiology ... Lymphangioleiomyomatosis #LAM #RadiologyAssistant
Batwing
A bilateral perihilar distribution of consolidation is also called a Batwing distribution.
The sparing of the periphery
periphery of the lung ... most typical of pulmonary ... seen in chronic lung ... #Diagnosis #Radiology ... #Differential #RadiologyAssistant
Tree-in-bud
In centrilobular nodules the recognition of 'tree-in-bud' is of value for narrowing the differential diagnosis.
Tree-in-bud describes
identified in the lung ... Diagnosis #Pathophys #Radiology ... #Pulmonary #CTChest ... TreeInBud #Diagram #RadiologyAssistant
Hoover's Sign

Hoover’s sign refers to inward movement of the lower rib cage during inspiration- instead of
hyperexpansion of the lungs ... Hoovers #Sign #Pulmonary ... #COPD #PhysicalExam ... Video #Clinical #Breathing
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Hilar and mediastinal lymphadenopathy
In sarcoidosis the common pattern is right paratracheal and bilateral hilar adenopathy ('1-2-3-sign').
In
In lung carcinoma ... #Diagnosis #Radiology ... #Pulmonary #Mediastinal ... #Differential #RadiologyAssistant
More than 100 entities manifest as diffuse lung disease.
Fortunately only about 10 of these account for
manifest as diffuse lung ... of all diffuse lung ... #Diagnosis #Radiology ... #Pulmonary #SHITFACED ... Mnemonic #HRCT #RadiologyAssistant
Consolidation is synonymous with airspace disease.
When you think of the causes of consolidation, think of 'what
UIP, NSIP and long ... #Diagnosis #Radiology ... #Pulmonary #CTChest ... #Differential #RadiologyAssistant