24 results
Low Attenuation pattern 
1. Lymphangiomyomatosis (LAM): uniform cysts in woman of child-bearing age; no history of
Low Attenuation ... adenopathy and pleural ... #Clinical #Radiology ... #HRCT #CTChest ... Pattern #Comparison #Table
Nodular pattern
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary TB: random nodules
3. Sarcoidosis: nodules with perilymphatic
Hypersensitivity pneumonitis: ill ... the area next to pleura ... #Clinical #Radiology ... #HRCT #CTChest ... Pattern #Comparison #Table
Figure 3 HRCT-LUS correlation in normal lung, pulmonary congestion, rheumatoid lung disease, idiopathic pulmonary fibrosis.
Notes: (A)
Figure 3 HRCT-LUS ... #Clinical #Diagnosis ... #HRCT #POCUS #Lung ... #Correlation #Table ... #ILD #Findings
Basic Interpretation
A structured approach to interpretation of HRCT involves the following questions:
What is the dominant HR-pattern:
reticular
nodular
high
consolidation) low ... additional findings (pleural ... bronchiectasis) #Diagnosis ... #Radiology #Pulmonary ... #HRCT #CTChest
Septic emboli
Septic emboli usually present as multiple ill-defined nodules.
In about 50% cavitation is seen.
CT demonstrates more
CT demonstrates ... can suggest the diagnosis ... lesions abutting the pleura ... #Clinical #Radiology ... #CXR #CTChest #
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... nodular, high and low ... attenuation (table ... #Diagnosis #Radiology ... #Pulmonary #CXR
Sand Storm Sign on Chest CT
 • Diffusely dense pulmonary micronodular calcifications. Note the black pleural
CT • Diffusely ... dense pulmonary ... Note the black pleural ... #diagnosis #radiology ... #clinical
Comet Tail Sign on Chest CT
 • Curvilinear pleural based opacity directed towards the ipsilateral hilum
CT • Curvilinear ... pleural based opacity ... #Lung #Pulmonary ... #diagnosis #radiology ... #clinical
HRCT findings in OP
- Bilateral peripheral consolidations, sharply demarcated.
- Consolidations may be migratory.
- Lesions may show
HRCT findings in ... carcinoma, the diagnosis ... #Clinical #Radiology ... #CTChest #COP # ... Organizing #Pneumonia #ILD
Split Pleura Sign on Chest CT
 • Contrast enhancement of the parietal and visceral pleura, separated
Split Pleura Sign ... on Chest CT • ... #Sign #CT #Lung ... #Pulmonary #diagnosis ... #radiology #clinical