26th January 2024

A 52-year-old male presents to the emergency department complaining of weakness, fever, mouth ulcers and tingling in his hands and feet.

A 52-year-old male presents to the emergency department complaining of weakness, fever, mouth ulcers and tingling in his hands and feet. He has been diagnosed with polymyositis and has been on medications for this for more than one year without any issues. Recently, he has been suffering from what he thought was a bout of gastroenteritis. His blood tests show thrombocytopenia and AKI stage 1. 

Which one of the following is the most likely underlying diagnosis?

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