31st July 2023

You are watching your younger brother play for his school rugby team, when a player goes down after what appears to be a routine tackle

You are watching your younger brother play for his school rugby team, when a player goes down after what appears to be a routine tackle, and seems to be in some distress. Once at his side, you notice he is very pale and is complaining of left-sided abdominal pain. He tells you the only thing different with him lately is that he has a sore throat. His mum reports that he is fit and well but has recently had a sore throat.

What is the most likely diagnosis?

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