11 results
Algorithm for nodular pattern
The algorithm to distinguish perilymphatic, random and centrilobular nodules is the following:
- Look
pattern The algorithm ... perilymphatic, random and centrilobular ... the nodules are diffuse ... HRCT #CTChest #NodularPattern ... #RadiologyAssistant
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
with a nodular pattern ... CTChest #Nodular #Pattern ... #NodularPattern ... Differential #Comparison #Table ... #RadiologyAssistant
Differential diagnosis
The table summarizes the most common diseases, that present with consolidation.
Chronic diseases are indicated in
diagnosis The table ... to look at the pattern ... more than one pattern ... #Differential #Table ... #RadiologyAssistant
Nodular pattern
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary TB: random nodules
3. Sarcoidosis: nodules with perilymphatic
Nodular pattern ... pneumonitis: ill defined centrilobular ... CTChest #Nodular #Pattern ... #Comparison #Table ... #RadiologyAssistant
Here are the most common examples of these four patterns on a chest x-ray (click image
of these four patterns ... Consolidation - Lobar ... consolidation - Diffuse ... Consolidation #Patterns ... #RadiologyAssistant
The distribution of nodules shown on HRCT is the most important factor in making an accurate
in the nodular pattern ... perilymphatic, centrilobular ... Pulmonary #HRCT #NodularPattern ... #Nodular #Pattern ... Comparison #Diagram #RadiologyAssistant
Low Attenuation pattern (2) 
1. Centrilobular emphysema: low attenuation areas without walls. Notice the centrilobular artery
Low Attenuation pattern ... Centrilobular emphysema ... Notice the centrilobular ... #Comparison #Table ... #RadiologyAssistant
Low Attenuation pattern 
1. Lymphangiomyomatosis (LAM): uniform cysts in woman of child-bearing age; no history of
Low Attenuation pattern ... Centrilobular emphysema ... LowAttenuation #Cystic #Pattern ... #Comparison #Table ... #RadiologyAssistant
Whenever you see an area of increased density within the lung, it must be the result
of these four patterns ... substances resulting in lobar ... , diffuse or multifocal ... Consolidation #Patterns ... #RadiologyAssistant
On the left a patient with ground glass pattern in a mosaic distribution.
Some lobules are involved
with ground glass pattern ... presents with centrilobular ... confluent, HRCT shows diffuse ... HypersenstitivityPneumonitis #RadiologyAssistant