2183 results
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 ... feeding vessel sign ... feeding vessel sign ... Radiology #CXR #CTChest
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Nodular LCH: - Sarcoidosis ... : 'signet ring sign ... Diagnosis #Radiology #CTChest
Nodular pattern
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary TB: random nodules
3. Sarcoidosis: nodules with perilymphatic
Nodular pattern ... centrilobular nodules ... Sarcoidosis: nodules ... Radiology #HRCT #CTChest ... #Nodular #Pattern
Feeding Vessel Sign on Chest CT
 • Distinct pulmonary vessel leading into a lung nodule or
Feeding Vessel Sign ... on Chest CT • ... leading into a lung nodule ... doi.org/10.1016/j.chest ... Feeding #Vessel #Sign
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
diseases with a nodular ... centrilobular nodules ... Sarcoidosis: nodules ... Sarcoidosis: nodules ... Radiology #Pulmonary #CTChest
Algorithm for nodular pattern
The algorithm to distinguish perilymphatic, random and centrilobular nodules is the following:
- Look
Algorithm for nodular ... centrilobular nodules ... . - If pleural nodules ... and also nodules ... Pulmonary #HRCT #CTChest
The distribution of nodules shown on HRCT is the most important factor in making an accurate
diagnosis in the nodular ... distribution, nodules ... Nodules are almost ... centrilobular nodules ... most peripheral nodules
Perilymphatic distribution
Perilymphatic nodules are most commonly seen in sarcoidosis.
They also occur in silicosis, coal-worker's pneumoconiosis and
Perilymphatic nodules ... perilymphatic nodules ... and the nodular ... Pulmonary #HRCT #CTChest ... Perilymphatic #Nodular
Pulmonary Nodule
Evaluation is guided by nodule size & assessment of probability of malignancy. In addition is
Pulmonary Nodule ... Pulmonary nodules ... Subsolid nodules ... with a repeat chest ... growth with chest
Here are the most common examples of these four patterns on a chest x-ray (click image
patterns on a chest ... opacities - Fine Nodular ... interstitial opacities Nodule ... Solitary Pulmonary Nodule