33 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 ... irregular and often nodular ... 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 ... CT demonstrates ... the ill-defined nodules ... #Clinical #Radiology ... #CXR #CTChest #
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
COVID-19 Chest CT ... at times with a nodular ... Radiologia Torácica ... COVID19 #SARSCoV2 #CTChest ... #Clinical #CriticalCare
Etiologies of pulmonary infections according to CT-scan patterns. 
CMV cytomegalovirus, GM galactomannan, HSV herpes simplex virus,
infections according to CT-scan ... Varicella–Zoster virus NODULAR ... aureus) EXCAVATED NODULES ... ComputedTomography #Differential ... #Diagnosis #Chest
Miliary Pattern - Chest Radiology
 • Miliary opacities are scattered, small (1 -4 mm) nodules
 •
Radiology • Miliary ... small (1 -4 mm) nodules ... inhalational injury Differential ... #Radiology #differential ... CXR #clinical #CT
Progressive Massive Fibrosis aka Complicated Silicosis.
Silicosis is a fibrotic lung disease caused by inhalation of crystalline
coalescence of the nodules ... Calcification (seen in CT ... Mediastinal lymph nodes ... Silicosis #clinical #radiology ... #CXR #Chest #XRay