15 results
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Differential diagnosis ... - Metastases: random ... #Radiology #CTChest ... Differential #Comparison #Table ... #RadiologyAssistant
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
listed in the table ... of morphologic findings ... #Diagnosis #Radiology ... #Pulmonary #CTChest ... #RadiologyAssistant
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
Miliary TB: random ... #Clinical #Diagnosis ... #CTChest #Nodular ... Differential #Comparison #Table ... #RadiologyAssistant
Appearance of Liver Lesions on Various Imaging Modalities
 • Computed Tomography (CT) - Arterial Phase, Portal
Computed Tomography (CT ... #Contrast #CT # ... MRI #POCUS #radiology ... #differential #diagnosis ... #comparison #table
On the left an immunocompromised patient with PCP.
The CT findings are diffuse ground-glass opacification.
The findings are
The CT findings ... the most likely diagnosis ... #Clinical #Radiology ... #CTChest #PJP # ... Pneumocystis #Pneumonia #RadiologyAssistant
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... about imaging findings ... low attenuation (table ... #Diagnosis #Radiology ... #Differential #RadiologyAssistant
Basic Interpretation
A structured approach to interpretation of HRCT involves the following questions:
What is the dominant HR-pattern:
reticular
nodular
high
perilymphatic or random ... there additional findings ... bronchiectasis) #Diagnosis ... #HRCT #CTChest ... Algorithm #ILD #RadiologyAssistant
Fleischner Society recommendations for follow-up of nodules
Previous chest radiographs should be reviewed to determine if the
lesion has been stable ... definitive tissue diagnosis ... #Management #Radiology ... #CTChest #Fleischner ... Pulmonary #Nodules #RadiologyAssistant
Septal thickening
Thickening of the lung interstitium by fluid, fibrous tissue, or infiltration by cells results in
a predominant finding ... (Table). ... #Diagnosis #Radiology ... Pulmonary #HRCT #CTChest ... #Differential #RadiologyAssistant
On the left a smoker with RB-ILD with subtle HRCT-findings.
The dominant pattern is ground glass opacification.
Additional
these non-specific CT ... broad differential diagnosis ... #Clinical #Radiology ... #CTChest #RBILD ... RespiratoryBronchiolitis #ILD #RadiologyAssistant