A 9-year-old boy is brought to the physician by his mother for a 2-day history of periorbital edema. Electron microscopy A shows normal glomerular basement membrane; B shows the patient’s.
Which of the following pathologies is most similar to this patient’s?
Henoch-Schönlein purpura
IgA nephropathy
Membranoproliferative glomerulonephritis
Post-streptococcal glomerulonephritis
Renal amyloidosis
