11 results
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... on HRCT Most of ... seen and in many cases ... Diagnosis #Radiology #Pulmonary ... #Differential #
UIP
UIP is a histologic pattern of pulmonary fibrosis.
On a chest X-ray UIP manifests as a reticular
of pulmonary fibrosis ... On a chest X-ray ... manifests as a reticular ... A HRCT is needed ... HRCT demonstrated
High-Res Chest CT Patterns - Differential Diagnosis Framework
Reticular:
 • Septal Thickening: Lymphangitic Carcinoma, Interstitial Edema, Alveolar
Patterns - Differential ... Diagnosis Framework Reticular ... , ABPA, Immune Deficiency ... #CT #Patterns # ... #pulmonary #radiology
Perilymphatic distribution
Perilymphatic nodules are most commonly seen in sarcoidosis.
They also occur in silicosis, coal-worker's pneumoconiosis and
the overlap in differential ... thickening in the reticular ... pattern. ... Diagnosis #Radiology #Pulmonary ... #HRCT #CTChest
Basic Interpretation
A structured approach to interpretation of HRCT involves the following questions:
What is the dominant HR-pattern:
reticular
nodular
high
of HRCT involves ... the dominant HR-pattern ... : reticular nodular ... Diagnosis #Radiology #Pulmonary ... #HRCT #CTChest
Ground-glass opacity
Ground-glass opacity (GGO) represents:
- Filling of the alveolar spaces with pus, edema, hemorrhage, inflammation or
resolution of the HRCT ... in ground glass pattern ... Diagnosis #Radiology #Pulmonary ... #CTChest #GGO # ... #GroundGlass #Differential
Septal thickening
Thickening of the lung interstitium by fluid, fibrous tissue, or infiltration by cells results in
interstitium by fluid, fibrous ... cells results in a pattern ... of reticular opacities ... #HRCT #CTChest ... #Differential #
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
: • Cystic fibrosis ... Hypersensitivity: ABPA ... evidence of cystic fibrosis ... Diagnosis: • HRCT ... #differential #
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
indicates unknown cause ... combinations of fibrosis ... morphologic findings on HRCT ... Diagnosis #Radiology #Pulmonary ... #CTChest #Idiopathic
Upper Lobe Lung Diseases - STAR CHASERS Mnemonic

S - Silicosis
T - Tuberculosis
A - Ankylosing Spondylitis
R -
Radiation C - Cystic Fibrosis ... - Aspergillus/ABPA ... Therefore, conditions caused ... a rigid chest cage ... lung #diseases #differential