Table 3 Results of laboratory investigations of Case 3

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Urea: 5.3 mmol/L.

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Creatinine: 121 umol/L.

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Haemoglobin: 117 g/L.

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July 2013: Urine protein: 1.43 g/L

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Protein:creatinine ratio: 201.4 mg/mmol.

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October 2013: Urine protein: 1.51 g/L.

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December 2013: Urine protein: 1.57 g/L.

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Urine protein from left nephrostomy: 0.52 g/24 hours;

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Urine protein from right nephrostomy: 0.53 g/24 hours.

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Serum total protein: 61 g/L; Albumin: 32 g/l.

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Serum IgG: 13.29 g/L (reference range: 6.00-16.00).

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Serum IgA: 2.85 g/L (reference range: 0.80-4.00).

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Serum IgM: 0.72 g/L (reference range: 0.50-2.00).

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Serum protein electrophoresis: No abnormal bands were detected.

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Serum Glomerular Basement Membrane Screen: Negative.

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Serum Neutrophil Cytoplasmic Antibodies Screen by fluorescence: Negative.