2 results
Campbell’s sign or Tracheal Descent in Longstanding COPD

Patients with longstanding COPD may show downward displacement of
Campbell’s sign ... #sign #Tracheal ... #clinical #video ... #trachea #neck ... #physicalexam #pulmonary
Atoll Sign (Reverse-Halo Sign) on Chest CT
 • Central GGO surrounded by a crescentic or circumferential
Atoll Sign (Reverse-Halo ... CT • Central GGO ... consolidation • DDx: COP ... #CT #Lung #Pulmonary ... diagnosis #radiology #clinical