29th January 2024

A 43-year-old woman is admitted to the medical ward following the onset of a 2-month history of fever, weight loss, myalgia and lethargy.

A 43-year-old woman is admitted to the medical ward following the onset of a 2-month history of fever, weight loss, myalgia and lethargy. Her blood pressure was 175/95mmHg, heart rate 75bpm and urinalysis showed proteinuria ++ and haematuria +++. Her physical examination did not demonstrate any significant findings. 

Which one of the following is the most likely diagnosis?