A child has palpable purpura, ankle arthralgia and abdominal pain consistent with IgA vasculitis. Initial urinalysis, eGFR and blood pressure are

Question

A child has palpable purpura, ankle arthralgia and abdominal pain consistent with IgA vasculitis. Initial urinalysis, eGFR and blood pressure are normal. Which follow-up principle is most important?

Accepted Answer

Schedule serial urinalysis and blood-pressure checks because nephritis can develop after the rash

Answer

Arrange skin biopsy every month because histological IgA intensity predicts renal outcome

Answer

Discharge from renal follow-up because a normal first urinalysis excludes subsequent nephritis

Answer

Measure serum IgA weekly because its concentration is the preferred screen for occult glomerulonephritis

Answer

Start a corticosteroid course to reduce the probability of later nephritis

IgA vasculitis — SCE Dermatology MCQ

A child has palpable purpura, ankle arthralgia and abdominal pain consistent with IgA vasculitis. Initial urinalysis, eGFR and blood pressure are normal. Which follow-up principle is most important?