19th February 2024

A 32-year-old female presents with hypertension, lower limb oedema and haematuria

A 32-year-old female presents with hypertension, lower limb oedema and haematuria. She reports concurrent polyarthralgia and erythematous pruritis rash along her back, arms and legs with nasolabial sparing. Urine dip shows 4+ blood and protein. Blood tests showed elevated urea and creatinine levels.

Which of the following auto-antibodies is most specific for the underlying diagnosis?

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