QUIZ: Child with a cough. Initial chest xray is on the left with the right image taken 3 months later. What was the original diagnosis? What would your management have been? Click to play VIDEO ANSWER
Note: this specific case is discussed at the 2:00 min mark but the lead up discussion is really important to understanding the diagnosis
Elbow joint effusion - recognising an elbow joint effusion on a lateral radiograph is an essential clinical skill. The key is to detect abnormal displacement of the fat pads around the distal humerus and in particular the sail sign. In adults a radial head fracture is the most common cause of an effusion, while in children a supracondylar fracture is most common. This short video tutorial is courtesy of the RadiologyChannel.