24 results
Radiation Dose to Adults from Common Imaging Examinations
ABDOMINAL REGION
 - Computed Tomography (CT) — Abdomen and
X-ray 0.001 mSv ... ) — Chest 7 mSv ... ) — Lung Cancer ... - Tomography (PET ... #PatientInfo #Radiology
Air Bronchogram Sign on Chest CT
 • Patent airways surrounded by opacified lung
 • DDx: pna,
Air Bronchogram Sign ... on Chest CT • ... • DDx: pna, pulm ... #CT #Lung #Pulmonary ... #diagnosis #radiology
Tram Track Sign on Chest CT
 • Parallel, non-tapering airways, extending to the lung periphery.
 •
Tram Track Sign ... on Chest CT • Parallel ... ILD, necrotizing pna ... #CT #Lung #Pulmonary ... #diagnosis #radiology
CT Angiogram Sign on Chest CT
 • Prominent pulm vessels traversing through an area of parenchymal
CT Angiogram Sign ... on Chest CT • ... post-obstructive pna ... #CT #Lung #Pulmonary ... #diagnosis #radiology
Supracondylar Elbow Fracture
• Most common elbow fracture in children, peak age 5-7 
• When looking at
fracture in children, peak ... anterior sail sign ... Elbow #Humerus #Radiology ... #XRay #Diagnosis ... #MSK
Head Cheese Sign on Chest CT
 • Juxtaposition of distinct radiographic areas of low, normal and
Head Cheese Sign ... on Chest CT • ... RB, Mycoplasma pna ... #CT #Lung #Pulmonary ... #diagnosis #radiology
Tree-in-Bud Sign on Chest CT
 • Multiple centrilobular nodules arranged in a linear branching pattern.
 •
Tree-in-Bud Sign ... on Chest CT • ... NTM, atypical pna ... #CT #Lung #Pulmonary ... #diagnosis #radiology
Atoll Sign (Reverse-Halo Sign) on Chest CT
 • Central GGO surrounded by a crescentic or circumferential
Sign) on Chest ... CT • Central GGO ... LG, GPA, lipoid pna ... #CT #Lung #Pulmonary ... #diagnosis #radiology
Polo Mint Sign on Chest CT
 • Partial filling defect in a blood vessel surrounded by
Polo Mint Sign on ... Chest CT • Partial ... • DDx: PE, portal ... #CT #Lung #Pulmonary ... #diagnosis #radiology
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
"Terry Thomas" sign ... space >3 mm on PA ... Scaphoid #Carpal #Radiology ... #XRay #Diagnosis ... #Sports #MSK