Glomerulonephritis Quiz

73-year-old woman presents with hematuria and ARF. Serum creatinine is 10.2 mg/dl.  BP 160/62.  P-ANCA positive. She gives history of hemoptysis in 2005.  What will the renal biopsy show?

ANCA+ with anti-myeloperoxidase titers:

6/14/05        26 units

8/17/05        5.4 units

10/18/05      1.3 units

12/13/05      <1.0 units

11/07/06      1.3 units

05/08/07      2.3 units

08/14/07      16 units

11/25/08      155 units

02/10/09      26 units

05/15/09      15 units          two days after the biopsy