13 results
Perilymphatic distribution
Perilymphatic nodules are most commonly seen in sarcoidosis.
They also occur in silicosis, coal-worker's pneumoconiosis and
Perilymphatic nodules ... pneumoconiosis and lymphangitic ... septal thickening ... Diagnosis #Radiology #Pulmonary ... #Differential #RadiologyAssistant
Septal thickening
Thickening of the lung interstitium by fluid, fibrous tissue, or infiltration by cells results in
in interstitial pulmonary ... Nodular or irregular ... occurs in lymphangitic ... CTChest #Reticular #SeptalThickening ... #Differential #RadiologyAssistant
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
On the left a patient who had a CT to rule out pulmonary embolism.
There is a
CT to rule out pulmonary ... combination of smooth septal ... was cardiogenic pulmonary ... Radiology #CTChest #SeptalThickening ... #CHF #RadiologyAssistant
On the left we see focal irregular septal thickening in the right upper lobe in a
focal irregular septal ... is typical for lymphangitic ... lymph nodes and a nodular ... Radiology #CTChest #SeptalThickening ... Carcinomatosis #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
Lung Nodules - Differential Diagnosis by Distribution
 • Centrilobular: Hypersensitivity Pneumonitis, RB-ILD, Pneumoconiosis, Infectious Bronchiolitis, Vasculitis,
Lung Nodules - Differential ... Amyloidosis, LIP, Lymphangitis ... , TB, fungal), Septic ... BrighamChiefs #Lung #Nodules ... #Distribution #pulmonary
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
High-Res Chest CT Patterns - Differential Diagnosis Framework
Reticular:
 • Septal Thickening: Lymphangitic Carcinoma, Interstitial Edema, Alveolar
Reticular: • Septal ... Thickening: Lymphangitic ... Low Attenuation Nodular ... Sarcoidosis, Silicosis, Lymphangitic ... Honeycombing: Idiopathic Pulmonary