26 results
The distribution of nodules shown on HRCT is the most important factor in making an accurate
nodules shown on HRCT ... centrilobular or random ... Random refers to ... Radiology #Pulmonary #HRCT ... #NodularPattern
Algorithm for nodular pattern
The algorithm to distinguish perilymphatic, random and centrilobular nodules is the following:
- Look
perilymphatic, random ... pattern is either random ... it is likely a random ... Radiology #Pulmonary #HRCT ... #CTChest #NodularPattern
Nodular pattern
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary TB: random nodules
3. Sarcoidosis: nodules with perilymphatic
Miliary TB: random ... Clinical #Radiology #HRCT ... Pattern #Comparison #Table
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
Miliary TB: random ... Nodular #Pattern #NodularPattern ... Differential #Comparison #Table
Central distribution is seen in sarcoidosis and cardiogenic pulmonary edema.
Peripheral distribution is mainly seen in cryptogenic
Radiology #Pulmonary #HRCT ... #Differential #Table
Upper lung zone preference is seen in:
- Inhaled particles: pneumoconiosis (silica or coal)
- Smoking related diseases
Radiology #Pulmonary #HRCT ... #Differential #Table
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis on HRCT ... disease comes from HRCT ... On HRCT there are ... low attenuation (table
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
- Metastases: random ... Differential #Comparison #Table
Low Attenuation pattern 
1. Lymphangiomyomatosis (LAM): uniform cysts in woman of child-bearing age; no history of
Clinical #Radiology #HRCT ... Pattern #Comparison #Table
Summary of All RCTs to Date on Endovascular Therapy for Acute Ischemic Stroke 

#EBM #Neurology #NeuroInterventionalRadiology
#Stroke #CVA #RCT ... #Summary #Table