35 results
Radiation Dose to Adults from Common Imaging Examinations
ABDOMINAL REGION
 - Computed Tomography (CT) — Abdomen and
2 years CHEST ... ) — Chest 7 mSv ... ) — Lung Cancer ... 6 months - Chest ... #Background #Radiation
Cavitary Lesion with Air-Fluid Level on Chest XRay

70+ year old man with PMH of latent TB
Air-Fluid Level on Chest ... XRay 70+ year ... and pleuritic chest ... #ChestXRay #Clinical ... #Pulmonary #Radiology
Feeding Vessel Sign on Chest CT
 • Distinct pulmonary vessel leading into a lung nodule or
Feeding Vessel Sign ... on Chest CT • ... #CT #Lung #Pulmonary ... #diagnosis #radiology ... #clinical
Halo Sign on Chest CT
 • SPN or mass surrounded by a circumferential GGO
 • DDx:
Halo Sign on Chest ... CT • SPN or mass ... #CT #Lung #Pulmonary ... #diagnosis #radiology ... #clinical
How much radiation is used in paediatric radiology examinations compared to other exposures?

Estimated dose - Days
4 days Chest ... X-ray 0.01 mSv 1 ... mSv 8 months Chest ... CT 3 mSv 12 months ... Doses #Imaging #ChestXRay
Estimated Medical Radiation Doses for 5 Year-Old Child

3-view ankle	0.0015 mSv	1/14th CXRs
2-view chest	0.02 mSv	1 CXRs
Anteroposterior and lateral
14th CXRs 2-view chest ... Chest CT 3 mSv 150 ... #PatientInfo #Radiology ... #Background #Radiation ... Doses #Imaging #ChestXRay
Monod Sign on Chest CT
 • Air surrounding a fungal ball in a preexisting pulmonary cavity
Monod Sign on Chest ... preexisting pulmonary cavity ... #CT #Lung #Pulmonary ... #diagnosis #radiology ... #clinical
Septic emboli
Septic emboli usually present as multiple ill-defined nodules.
In about 50% cavitation is seen.
CT demonstrates more
lesions than the chest ... The chest film shows ... #Clinical #Radiology ... #CXR #CTChest # ... #SepticEmboli #Cavity
Crazy Paving on Chest CT
 • Thickened interlobular septa in a background of diffuse GGO's.
 •
Crazy Paving on Chest ... interlobular septa in a background ... Crazy #Paving #Sign ... #CT #Lung #Pulmonary ... #clinical
Bronchus Sign on Chest CT
 • Airway leading directly to a peripheral lung nodule or mass
Bronchus Sign on ... Chest CT • Airway ... #CT #Lung #Pulmonary ... #diagnosis #radiology ... #clinical