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Central distribution is seen in sarcoidosis and cardiogenic pulmonary edema.
Peripheral distribution is mainly seen in cryptogenic
and cardiogenic pulmonary ... Peripheral distribution ... #Diagnosis #Radiology ... #Pulmonary #HRCT ... #RadiologyAssistant
Differentiating Benign Paroxysmal Positional Vertigo (BPPV) From Vestibular Neuritis-Labyrinthitis
BENIGN PAROXYSMAL POSITIONAL VERTIGO
 • Age: More common
patient with a clinical ... ) • Epley maneuver ... patient with a clinical ... saccade seen) • Epley ... Labyrinthitis #diagnosis
Batwing
A bilateral perihilar distribution of consolidation is also called a Batwing distribution.
The sparing of the periphery
sparing of the periphery ... most typical of pulmonary ... Reverse Batwing Peripheral ... #Diagnosis #Radiology ... #Differential #RadiologyAssistant
Algorithm for the diagnostic evaluation of dizziness. (HINTS = head-impulse, nystagmus, test of skew.)
Questions regarding the
Algorithm for the diagnostic ... more likely to be peripheral ... the etiology is peripheral ... of dizziness or vertigo ... into one of three clinical
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Tree-in-bud
In centrilobular nodules the recognition of 'tree-in-bud' is of value for narrowing the differential diagnosis.
Tree-in-bud describes
the differential diagnosis ... identified in the lung periphery ... #Diagnosis #Pathophys ... #Radiology #Pulmonary ... TreeInBud #Diagram #RadiologyAssistant
Sarcoidosis 
Non-caseating granulomas (Composed of T-helper & inflammatory cells) 
Clinical:
 • Disease fatal in 10% of
inflammatory cells) Clinical ... polyarthritis • Pulmonary ... Bell's palsy, peripheral ... #Sarcoidosis #Diagnosis ... Symptoms #Signs #Pulmonary
Based on the images alone, it is usually not possible to determine the cause of the
chronic illness, clinical ... Pulmonary hemorrhage ... Infarction - peripheral ... #Clinical #Diagnosis ... Consolidation #Causes #RadiologyAssistant
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 ... was cardiogenic pulmonary ... #Clinical #Radiology ... SeptalThickening #CHF #RadiologyAssistant
Here are the most common examples of these four patterns on a chest x-ray (click image
mass - Solitary Pulmonary ... Masses Atelectasis #Diagnosis ... #Clinical #Radiology ... Consolidation #Patterns #RadiologyAssistant
Bronchiectasis is defined as localized bronchial dilatation.
The diagnosis of bronchiectasis is usually based on a combination
The diagnosis of ... airways in the peripheral ... #Diagnosis #Radiology ... #Pulmonary #Bronchiectasis ... #Differential #RadiologyAssistant