14 results
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
there are four patterns ... a CXR the most common ... pattern is reticular ... The cystic pattern ... seen and in many cases
Here are the most common examples of these four patterns on a chest x-ray (click image
Here are the most common ... of these four patterns ... on a chest x-ray ... Nodule - Multiple Masses ... Consolidation #Patterns
The CXR demonstrates a reticular interstitial pattern with a preference at the lung bases.
The HRCT demonstrates
reticular interstitial pattern ... preference at the lung bases ... Radiology #CXR #UIP #CTChest ... #Interstitial #Pattern ... #Honeycombing #Traction
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
indicates unknown cause ... have specific patterns ... realise, that these patterns ... are also common ... Radiology #Pulmonary #CTChest
Abnormalities in Rate and Rhythm of Breathing 
Normal 
The respiratory rate is about 14—20 per min
has a number of causes ... disease, pleuritic chest ... may show this pattern ... hyperventilation syndrome—a common ... #Breathing #Patterns
Hair Loss (Alopecia) - General (Diffuse and Focal) Differential Diagnosis Algorithm

DIFFUSE
Scarring - Irreversible-biopsy required
 • Lupus
Differential Diagnosis Algorithm ... planopilaris Pattern ... Trichotillomania • Traction ... Differential #Diagnosis #Algorithm ... #causes
On the left a patient with GGO as dominant pattern.
In addition there is traction bronchiectasis indicating
GGO as dominant pattern ... This case is one ... of the possible patterns ... relatively uniform pattern ... Clinical #Radiology #CTChest
On the left a patient who is treated with cytotoxic drugs for a hematologic malignancy.
The radiographic
opacity, some traction ... patients with a UIP pattern ... or NSIP pattern ... into any of the common ... Clinical #Radiology #CTChest
Ground-glass opacity is nonspecific, but highly significant finding since 60-80% of patients with ground-glass opacity on
20-40% of the cases ... the ground-glass pattern ... fibrosis, such as traction ... the other with traction ... Clinical #Radiology #CTChest
Basic Interpretation
A structured approach to interpretation of HRCT involves the following questions:
What is the dominant HR-pattern:
reticular
nodular
high
the dominant HR-pattern ... lymphadenopathy, traction ... Pulmonary #HRCT #CTChest ... Interpretation #Algorithm