This 1-year-old girl has been in the pediatric department for a few weeks for treatment of streptococcal sepsis after chickenpox. Around the time of admission, the child had swelling over the left upper arm but no abnormality was seen on plain radiograph and there was no collection on ultrasound (image attached). After treatment on the pediatric intensive care ward, she improved but then started to get intermittent fevers and worsening of the left upper arm swelling. Examination The child is irritable and off her feeds. There is tachycardia and pyrexia. Cardiovascular and respiratory examinations are normal.
The abdomen is soft and non-tender. Her left arm is not moving, red and swollen over the upper aspect. She complains when you handle or move the arm. Her X-ray radiograph was ordered (image attached) What changes are seen in both radiographs? *This image based case is from Docplexus…