42 results
Perilymphatic distribution
Perilymphatic nodules are most commonly seen in sarcoidosis.
They also occur in silicosis, coal-worker's pneumoconiosis and
Perilymphatic nodules ... perilymphatic nodules ... #Diagnosis #Radiology ... Pulmonary #HRCT #CTChest ... #Differential #
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
centrilobular nodules ... Sarcoidosis: nodules ... Clinical #Diagnosis #Radiology ... #Pulmonary #CTChest ... NodularPattern #Differential
Algorithm for nodular pattern
The algorithm to distinguish perilymphatic, random and centrilobular nodules is the following:
- Look
centrilobular nodules ... and also nodules ... #Diagnosis #Radiology ... Pulmonary #HRCT #CTChest ... #Differential #
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 ... narrowing the differential ... identified in the lung ... Diagnosis #Pathophys #Radiology ... #Pulmonary #CTChest
Septic emboli
Septic emboli usually present as multiple ill-defined nodules.
In about 50% cavitation is seen.
CT demonstrates more
multiple ill-defined nodules ... the ill-defined nodules ... densities iin the left lung ... cavitation in the right lung ... #Clinical #Radiology
Pulmonary Nodule
Evaluation is guided by nodule size & assessment of probability of malignancy. In addition is
Pulmonary nodules ... Subsolid nodules ... is < 1% for all nodules ... Nodules that are ... Management options
COVID-19 Chest CT - Case 4

Main aspects of the image: multiple opacities in the glass and
at times with a nodular ... periphery of two lungs ... evident in the lower lobes ... Radiologia Torácica ... #Clinical #CriticalCare
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Miliary Pattern - Chest Radiology
 • Miliary opacities are scattered, small (1 -4 mm) nodules
 •
Radiology • Miliary ... small (1 -4 mm) nodules ... throughout the lungs ... inhalational injury Differential ... #Radiology #differential
Progressive Massive Fibrosis aka Complicated Silicosis.
Silicosis is a fibrotic lung disease caused by inhalation of crystalline
is a fibrotic lung ... coalescence of the nodules ... Mediastinal lymph nodes ... Silicosis #clinical #radiology ... #CXR #Chest #XRay
Etiologies of pulmonary infections according to CT-scan patterns. 
CMV cytomegalovirus, GM galactomannan, HSV herpes simplex virus,
Varicella–Zoster virus NODULAR ... aureus) EXCAVATED NODULES ... Patterns #Pulmonary #Lung ... ComputedTomography #Differential ... #Diagnosis #Chest