39 results
Differential diagnosis of Lymphangitic Carcinomatosis. 
On the left multiple diseases showing septal thickening:
1. Lymphangitic carcinomatosis: irregular
diseases showing septal ... : irregular septal ... Cardiogenic pulmonary ... #Differential #Comparison ... #Table #RadiologyAssistant
Lung Nodules - Differential Diagnosis by Distribution
 • Centrilobular: Hypersensitivity Pneumonitis, RB-ILD, Pneumoconiosis, Infectious Bronchiolitis, Vasculitis,
Lung Nodules - Differential ... , Lymphangitis Carcinomatosis ... , TB, fungal), Septic ... BrighamChiefs #Lung ... #Distribution #pulmonary
Perilymphatic distribution
Perilymphatic nodules are most commonly seen in sarcoidosis.
They also occur in silicosis, coal-worker's pneumoconiosis and
Perilymphatic nodules ... and the nodular ... septal thickening ... Diagnosis #Radiology #Pulmonary ... #Differential #RadiologyAssistant
Reticular pattern 
1. Lymphangitic carcinomatosis: irregular septal thickening, usually focal or unilateral 50% adenopathy', known carcinoma.
2.
: irregular septal ... Cardiogenic pulmonary ... Cardiogenic pulmonary ... Reticular #Pattern #Comparison ... #Table #RadiologyAssistant
The distribution of nodules shown on HRCT is the most important factor in making an accurate
, interlobular septa ... structures of the lung ... Diagnosis #Radiology #Pulmonary ... Perilymphatic #Comparison ... #Diagram #RadiologyAssistant
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
diseases with a nodular ... centrilobular nodules ... Diagnosis #Radiology #Pulmonary ... #Differential #Comparison ... #Table #RadiologyAssistant
Algorithm for nodular pattern
The algorithm to distinguish perilymphatic, random and centrilobular nodules is the following:
- Look
Algorithm for nodular ... centrilobular nodules ... along interlobular septa ... Diagnosis #Radiology #Pulmonary ... Differential #Algorithm #RadiologyAssistant
On the left we see focal irregular septal thickening in the right upper lobe in a
focal irregular septal ... for lymphangitic carcinomatosis ... lymph nodes and a nodular ... lesion in the left lung ... #RadiologyAssistant
Hilar and mediastinal lymphadenopathy
In sarcoidosis the common pattern is right paratracheal and bilateral hilar adenopathy ('1-2-3-sign').
In
In lung carcinoma ... and lymphangitic carcinomatosis ... Diagnosis #Radiology #Pulmonary ... #Differential #RadiologyAssistant
Tree-in-bud
In centrilobular nodules the recognition of 'tree-in-bud' is of value for narrowing the differential diagnosis.
Tree-in-bud describes
centrilobular nodules ... irregular and often nodular ... identified in the lung ... Pathophys #Radiology #Pulmonary ... TreeInBud #Diagram #RadiologyAssistant