Congophilic fibrils in the glomeruli with polyclonal immunoglobulin gamma staining - another cause for diagnostic overlap: A case report

Table 1 Laboratory results

Test	Result	Reference ranges
Hemoglobin, g/dL	8.4	13.8-17.2
White blood cell count, /μL	10000	4500-11000
Platelet count, K/μL	227000	150000-450000
Serum creatinine, mg/dL	8.1	0.72-1.25
eGFR, mL/min/1.73 m2	7	> 90
Calcium (total), mg/dL	8.0	8.4-10.2
Phosphorus, mg/dL	7.4	3.4-4.5
Serum C3, mg/dL	95	90-180
Serum C4, mg/dL	34	15-45

eGFR: Estimated glomerular filtration rate (calculated using the 2021 Chronic Kidney Disease Epidemiology Collaboration creatinine equation).