17 results
Halo Sign on Chest CT
 • SPN or mass surrounded by a circumferential GGO
 • DDx:
Halo Sign on Chest ... CT • SPN or mass ... mueormycosis, GPA ... #diagnosis #radiology ... #clinical
Feeding Vessel Sign on Chest CT
 • Distinct pulmonary vessel leading into a lung nodule or
Feeding Vessel Sign ... on Chest CT • ... lung, pulm AVM, GPA ... #diagnosis #radiology ... #clinical
Cheerio Sign (Open Bronchus Sign) on Chest CT
 • Pulmonary nodule with a central lucency
 •
on Chest CT • Pulmonary ... DDx: Pulm adeno Ca ... #CT #Lung #Pulmonary ... #diagnosis #radiology ... #clinical
Giant cell arteritis (GCA)

Giant cell arteritis (GCA) definition: Most common systemic inflammatory vasculitis in older adults
Diagnosis = clinical ... systemic sx + signs ... or sed rate): Value ... , but normal values ... GCA can present
Atoll Sign (Reverse-Halo Sign) on Chest CT
 • Central GGO surrounded by a crescentic or circumferential
Sign) on Chest ... consolidation • DDx: COP ... IFI, PJP, LG, GPA ... #diagnosis #radiology ... #clinical
Septic emboli
Septic emboli usually present as multiple ill-defined nodules.
In about 50% cavitation is seen.
CT demonstrates more
CT demonstrates ... film and can suggest ... the diagnosis in ... the proper clinical ... #Clinical #Radiology
Bronchus Sign on Chest CT
 • Airway leading directly to a peripheral lung nodule or mass
Bronchus Sign on ... Chest CT • Airway ... : Bronchogenic Ca ... #diagnosis #radiology ... #clinical
Corona Radiata (Sunburst sign) on Chest CT
 • SPN or mass, with spiculated and inegular margins
Radiata (Sunburst sign ... ) on Chest CT • ... : Bronchogenic Ca ... #diagnosis #radiology ... #clinical
CT Angiogram Sign on Chest CT
 • Prominent pulm vessels traversing through an area of parenchymal
CT Angiogram Sign ... on Chest CT • ... mucinous adeno Ca ... #diagnosis #radiology ... #clinical
Air Crescent Sign on Chest CT
 • Crescentic or circumferential rim of radiolucent airspace within a
Air Crescent Sign ... on Chest CT • ... , bronchogenic Ca ... #diagnosis #radiology ... #clinical