9. 某54歲女性,有尿毒症狀(creatinine 4.0 mg/dL)、貧血(Hct 8.5 g/dL)、倦怠、夜尿(nocturia),實驗室檢查有metabolic acidosis,輕度蛋白尿(<1.0 g/day),尿液中有WBC cast, granular cast, pyuria及glycosuria。病人腎病變最可能的原因為:
(A) Aristolochic acid nephropathy (Chinese herbal nephropathy)
(B) Focal segmental glomerulosclerosis (FSGS)
(C) Membranoproliferative glomerulonephritis (MPGN)
(D) IgA nephropathy
(E) ADPKD (autosomal dominant polycystic kidney disease)