Why this ‘bubbly’ bone won’t come out in the wash

The rare complication resulted in one leg being 10cm shorter than the other
X-ray of femur

When these ‘soap bubbles’ showed up on an X-ray of a patient’s femur, they were a sign he had anything but a clean bill of health.

The 37-year-old man presented to an orthopaedic clinic with progressive difficulty walking. He had haemophilia type A and a history of inadequate factor VIII replacement therapy.