21 results
Perilymphatic distribution
Perilymphatic nodules are most commonly seen in sarcoidosis.
They also occur in silicosis, coal-worker's pneumoconiosis and
Perilymphatic nodules ... septal thickening ... Diagnosis #Radiology #Pulmonary ... #HRCT #CTChest ... #Differential #RadiologyAssistant
On the left a patient who had a CT to rule out pulmonary embolism.
There is a
patient who had a CT ... to rule out pulmonary ... combination of smooth septal ... Clinical #Radiology #CTChest ... SeptalThickening #CHF #RadiologyAssistant
Feeding Vessel Sign on Chest CT
 • Distinct pulmonary vessel leading into a lung nodule or
CT • Distinct ... pulmonary vessel ... leading into a lung nodule ... • DDx: Septic ... #Vessel #Sign #CT
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
diseases with a nodular ... Diagnosis #Radiology #Pulmonary ... #CTChest #Nodular ... #Differential #Comparison ... #Table #RadiologyAssistant
Algorithm for nodular pattern
The algorithm to distinguish perilymphatic, random and centrilobular nodules is the following:
- Look
Algorithm for nodular ... along interlobular septa ... Diagnosis #Radiology #Pulmonary ... #HRCT #CTChest ... Differential #Algorithm #RadiologyAssistant
Septic emboli
Septic emboli usually present as multiple ill-defined nodules.
In about 50% cavitation is seen.
CT demonstrates more
multiple ill-defined nodules ... CT demonstrates ... the ill-defined nodules ... On the CT cavitation ... SepticEmboli #Cavity #RadiologyAssistant
Etiologies of pulmonary infections according to CT-scan patterns. 
CMV cytomegalovirus, GM galactomannan, HSV herpes simplex virus,
Etiologies of pulmonary ... infections according to CT-scan ... bacterial pneumonia SEPTAL ... aureus) EXCAVATED NODULES ... #Patterns #Pulmonary
Differential diagnosis of Lymphangitic Carcinomatosis. 
On the left multiple diseases showing septal thickening:
1. Lymphangitic carcinomatosis: irregular
diseases showing septal ... Cardiogenic pulmonary ... #CTChest #LymphangiticCarcinomatosis ... #Differential #Comparison ... #Table #RadiologyAssistant
The distribution of nodules shown on HRCT is the most important factor in making an accurate
distribution of nodules ... , interlobular septa ... Diagnosis #Radiology #Pulmonary ... Perilymphatic #Comparison ... #Diagram #RadiologyAssistant
Pulmonary Nodule
Evaluation is guided by nodule size & assessment of probability of malignancy. In addition is
Pulmonary Nodule ... Pulmonary nodules ... CT in 6 to 12 months ... The treatment of ... CT imaging, positron