A 24-year-old woman presents with abdominal pain, joint discomfort, and lower limb rash. She was well until 1 week before presentation. On examination, she has a palpable purpuric rash on her legs, nonspecific abdominal discomfort, and no active joints. She has 3+ proteinuria, normal WBC, no eosinophils, and elevated creatinine of 1.6 mg/dL. Biopsy of the rash confirms vasculitis with immunoglobulin A (IgA) 3+and C3 (complement 3) deposition on immunofluorescence.For the above patient with vasculitis syndrome, select the most likely diagnosis.
Avasculitis associated with infectious diseases
BChurg-Strauss disease
CHenoch-Schonlein purpura
Dpolyarteritis nodosa (PAN)
Investigation of choice for confirming Henoch Schönlein Purpura is
ASerum IgA levels
BCRP levels
CDTPA
DRenal Biopsy
Patient presenting with cutaneous vasculitis, glomerulonephritis, peripheral neuropathy, Which investigation is to be performed next that will help you diagnose the condition?
AANCA
BRA factor
CHbsag
DMIF
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