1st April 2022

An 18-month-old boy is brought to the GP by his dad with a swollen right ankle

An 18-month-old boy is brought to the GP by his dad with a swollen right ankle. His dad says the boy is struggling to walk and cries in pain when he does walk. He can’t recall any trauma that could have caused his son’s injury. His dad tells you that he seems well in himself and has had no fevers. He also mentions that when the child had his childhood immunisations, he bled through several plasters and tends to bruise easily. Which is the most likely diagnosis?

Select the SINGLE most appropriate option from the list below. Select ONE option only.