Granulomatous Interstitial Nephritis Presenting as Hypercalcemia and Nephrolithiasis

Table 2

Lab values.

Variable	Measurement	Reference range
LDH	478	313–618 U/L
Creatinine kinase	40	55–170
Cholesterol, total	187	<200 mg/dL
HDL	28	>40 mg/dL
LDL	87	<130 mg/dL
Cholesterol/HDL ratio	6.7	0.0–4.9
Triglycerides	362	<151 mg/dL
ESR	26	1–13 mm/hr
CRP	Not checked
ACE, before steroid treatment	82	9–67 U/L
ACE, after steroid treatment	24	9–67 U/L
Vit D, 25 hydroxy	27.8	30–95 bng/mL
Vit D, 1,25 hydroxy, before steroid treatment	79	18–72 pg/mL
Vit D, 1,25 hydroxy, after steroid treatment	19	18–72 pg/mL
PTH, intact	3.72	11–67 pg/mL
ANA	Negative	Negative
Immunofixation, serum	Polyclonal pattern
IgG, serum	1330	700–1600 mg/dL
IgA, serum	187	70–400 mg/dL
IgM, serum	44	40–230 mg/dL
Immunofixatin elec., urine	Polyclonal IGG and polyclonal light chains
Protein, random urine	10	mg/dL
C3	119	90–180 mg/dL
C4	22	10–40 mg/dL
Quantiferon-Tb gold	Indeterminate
Mitogen-nil	0.16	IU/ML
NIL	0.03	IU/ML
TB Ag-nil	0	IU/ML
ASO Ab	46	>200 IU/ML
ANCA vasculitides
Proteinase 3 Ab	<1.0	<1.0
Myeloperoxidase Ab	<1.0	<1.0
Hep A Ab, IgM	Nonreactive	Nonreactive
Hep A Ab, total	Reactive	Nonreactive
Hep B sAg	Negative	Negative
Hep B Core Ab, total	Reactive	Nonreactive
Hep BS ab	Reactive	Nonreactive
HepC Ab	Negative	Negative
HIV 1/2 Ab screen, rapid	Nonreactive	Nonreactive
HgbA1c	6.9	4.2–5.9%
Urine culture	Negative	Negative
Urine chemistry
Protein, random urine	21	mg/dL
Microalbumin, random, urine	2.4	mg/dL
Sodium, random, urine	105	30–90 mmol/L
Potassium, random, urine	14.9	mmol/L
Calcium, random, urine	11.4	mg/dL
Thyroxine, free	0.61	0.8–1.5 ng/dL
TSH	1.038	0.4–4.2 IU/mL
PSA free	0.9	ng/mL
PSA percent free	43	>25%
Total PSA	2.1	≤4.0