12 results
Algorithm for nodular pattern
The algorithm to distinguish perilymphatic, random and centrilobular nodules is the following:
- Look
Algorithm for nodular ... pattern The algorithm ... the nodules are diffuse ... Radiology #Pulmonary #HRCT ... #CTChest #NodularPattern
The distribution of nodules shown on HRCT is the most important factor in making an accurate
nodules shown on HRCT ... in the nodular pattern ... In most cases small ... distribution In certain diseases ... #NodularPattern
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
interstitial lung disease ... comes from HRCT ... On HRCT there are ... interstitial lung disease ... seen and in many cases
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
the left some diseases ... with a nodular pattern ... Miliary TB: random ... Radiology #Pulmonary #CTChest ... #NodularPattern
Basic Interpretation
A structured approach to interpretation of HRCT involves the following questions:
What is the dominant HR-pattern:
reticular
nodular
high
interpretation of HRCT ... the dominant HR-pattern ... perilymphatic or random ... #CTChest #Interpretation ... #Algorithm #ILD
Acute interstitial pneumonia (AIP, earlier named Hamman Rich Pneumonitis) is a rare idiopathic lung disease characterized
idiopathic lung disease ... The histologic pattern ... aswell as the HRCT ... are diffuse or ... Clinical #Radiology #CTChest
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
indicates unknown cause ... specific patterns ... morphologic findings on HRCT ... realise, that these patterns ... Radiology #Pulmonary #CTChest
Hair Loss (Alopecia) - General (Diffuse and Focal) Differential Diagnosis Algorithm

DIFFUSE
Scarring - Irreversible-biopsy required
 • Lupus
Differential Diagnosis Algorithm ... planopilaris Pattern ... Secondary to Skin Disease ... Differential #Diagnosis #Algorithm ... #causes
On the left a patient with ground glass pattern in a mosaic distribution.
Some lobules are involved
with ground glass pattern ... thromboembolic disease ... are confluent, HRCT ... shows diffuse ground ... Clinical #Radiology #CTChest
Ground-glass opacity is nonspecific, but highly significant finding since 60-80% of patients with ground-glass opacity on
ground-glass opacity on HRCT ... treatable lung disease ... the lung disease ... the ground-glass pattern ... Clinical #Radiology #CTChest