Denosumab as the Treatment of Recalcitrant Tuberculous Pleural Effusion-Associated Hypercalcemia

Table 2

Further blood samples sent for investigation of hypercalcemia.

Investigations	Results	Normal values
Intact parathyroid hormone	<0.5 pmol/L	1.96–8.49
Total vitamin D/25-hydroxyvitamin D	106.30 nmol/L	50–125
Alpha fetoprotein (AFP)	<1.00 ng/mL	0.89–8.78
CEA	1.37 ng/mL	0.00–5.00
Prostate-specific antigen	0.163 ng/mL	0.00–4.0
Immunoglobulin A (IgA)	4.3 g/L	0.70–4.00
Immunoglobulin G (IgG)	26.3 g/L	7.0–16.0
Immunoglobulin M (IgM)	1.58 g/L	0.40–2.30
Kappa free light chain	352.0 mg/L	6.7–22.4
Lambda free light chain	493.0 mg/L	8.3–27.0
Kappa/lambda ratio	0.71	0.31–1.56
Serum protein electrophoresis	No paraprotein band
Urine protein electrophoresis	No paraprotein band
Pleural fluid analysis	Colour	Straw coloured
	LDH (pleural fluid/serum)	Exudative; 0.75
	Total protein (pleural fluid/serum)	Exudative; 0.7