12 results
Algorithm for nodular pattern
The algorithm to distinguish perilymphatic, random and centrilobular nodules is the following:
- Look
pattern The algorithm ... the nodules are diffuse ... Pulmonary #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 ... Radiology #Pulmonary #CTChest ... #NodularPattern ... #Differential #Comparison ... #Table #RadiologyAssistant
The distribution of nodules shown on HRCT is the most important factor in making an accurate
in the nodular pattern ... In most cases small ... Pulmonary #HRCT #NodularPattern ... Perilymphatic #Comparison ... #Diagram #RadiologyAssistant
Nodular pattern
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary TB: random nodules
3. Sarcoidosis: nodules with perilymphatic
Nodular pattern ... perilymphatic distribution ... Radiology #HRCT #CTChest ... #Comparison #Table ... #RadiologyAssistant
Nodular pattern(2)
1. Sarcoidosis: nodules with perilymphatic distribution, along fissures, adenopathy.
2. TB: Tree-in-bud appearance in a patient
Nodular pattern( ... perilymphatic distribution ... Radiology #HRCT #CTChest ... #Comparison #Table ... #RadiologyAssistant
Here are the most common examples of these four patterns on a chest x-ray (click image
of these four patterns ... on a chest x-ray ... consolidation - Diffuse ... Nodule - Multiple Masses ... #RadiologyAssistant
Differential diagnosis
The table summarizes the most common diseases, that present with consolidation.
Chronic diseases are indicated in
to look at the pattern ... of distribution ... more than one pattern ... lobar pneumonia caused ... Differential #Table #RadiologyAssistant
Stage I - Redistribution
In a normal chest film with the patient standing erect, the pulmonary vessels
In a normal chest ... non-perfused vessels and causes ... applies to chest ... In these cases comparison ... #RadiologyAssistant
On the left a patient with ground glass pattern in a mosaic distribution.
Some lobules are involved
with ground glass pattern ... in a mosaic distribution ... confluent, HRCT shows diffuse ... Clinical #Radiology #CTChest ... HypersenstitivityPneumonitis #RadiologyAssistant
Reticular pattern 
1. Lymphangitic carcinomatosis: irregular septal thickening, usually focal or unilateral 50% adenopathy', known carcinoma.
2.
Reticular pattern ... and perihilar distribution ... Radiology #HRCT #CTChest ... #Comparison #Table ... #RadiologyAssistant