11 results
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
four patterns: ... the most common pattern ... The cystic pattern ... pattern on a CXR ... Diagnosis #Radiology #Pulmonary
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 ... #Algorithm #ILD
UIP
UIP is a histologic pattern of pulmonary fibrosis.
On a chest X-ray UIP manifests as a reticular
is a histologic pattern ... of pulmonary fibrosis ... pattern particularly ... pattern at the ... This pattern was
Perilymphatic distribution
Perilymphatic nodules are most commonly seen in sarcoidosis.
They also occur in silicosis, coal-worker's pneumoconiosis and
thickening in the reticular ... pattern. ... Diagnosis #Radiology #Pulmonary ... #HRCT #CTChest
Algorithm for nodular pattern
The algorithm to distinguish perilymphatic, random and centrilobular nodules is the following:
- Look
pattern The algorithm ... are visible, the pattern ... Diagnosis #Radiology #Pulmonary ... #HRCT #CTChest ... NodularPattern #Nodular #Pattern
Reticular pattern 
1. Lymphangitic carcinomatosis: irregular septal thickening, usually focal or unilateral 50% adenopathy', known carcinoma.
2.
Reticular pattern ... Cardiogenic pulmonary ... incidental finding in HRCT ... #CTChest #Reticular ... #Pattern #Comparison
Figure 3 HRCT-LUS correlation in normal lung, pulmonary congestion, rheumatoid lung disease, idiopathic pulmonary fibrosis.
Notes: (A)
Figure 3 HRCT-LUS ... in normal lung, pulmonary ... artifact); (G) UIP pattern ... subpleural, basal reticular ... Clinical #Diagnosis #HRCT
Chronic Thromboembolic Pulmonary Hypertension (CTEPH) and Pulmonary Thromboendarterectomy
Chronic Thromboembolic Pulmonary Hypertension
Definition: mean pulmonary-artery pressure > 25mmHg
Decreasing right heart function ... mosaic parenchymal pattern ... recurrent VTE • RCT ... variables, WHO functional ... variables, WHO functional
Septal thickening
Thickening of the lung interstitium by fluid, fibrous tissue, or infiltration by cells results in
cells results in a pattern ... of reticular opacities ... in interstitial pulmonary ... #HRCT #CTChest ... #Reticular #SeptalThickening
On the left a smoker with RB-ILD with subtle HRCT-findings.
The dominant pattern is ground glass opacification.
Additional
RB-ILD with subtle HRCT-findings ... The dominant pattern ... mandatory for the interpretion ... of the HRCT. ... probably would be pulmonary