Successful Treatment for Hypercalcemia due to Cosecretion of Parathyroid Hormone-Related Protein and 1,25-Dihydroxyvitamin D₃ in Non-Small-Cell Lung Cancer: A Case Report and Literature Review

Table 1

Results of laboratory tests conducted on admission.

Value			Reference value
Peripheral blood
White blood cells	11,900	/μL	3,900-9,800
Neutrophils	85.8	%
Lymphocytes	8.5	%
Basophils	0.5	%
Eosinophils	0.8	%
Monocytes	4.4	%
Hemoglobin	11.8	g/dL	13.5-17.6
Hematocrit	36.8	%	39.8-51.8
Platelets	413,000	/μL	131,000-362,000
Blood biochemistry
Total bilirubin	0.59	mg/dL	0.2-1.2
Aspartate transaminase	25	U/L	9.0-30
Alanine transaminase	17	U/L	4.0-35
Lactate dehydrogenase	197	U/L	80-260
Alkaline phosphatase	282	U/L	106-345
γ-Glutamyl transpeptidase	59	U/L	16-84
Total protein	7.5	g/dL	6.5-8.2
Albumin	3.2	g/dL	3.9-4.9
Urea nitrogen	16.4	mg/dL	8.0-20
Creatinine	0.94	mg/dL	0.6-1.1
Sodium	143	mEq/L	132-148
Potassium	4.2	mEq/L	3.6-5.0
Chloride	105	mEq/L	96-110
Calcium	12.3	mg/dL	8.2-10.2
Phosphorus	2.6	mg/dL	2.3-4.3
Intact PTH	7	pg/mL	10-65
PTHrP	11.7	pmol/L	<1.1
Calcitriol	105	pg/mL	20-40
25-OH vitamin D3	16	ng/mL	>20
Urine
pH	5.5		5.0-9.0
Occult blood	(-)
Sugar	(-)
Protein	(-)
Urea nitrogen	312	mg/dL	650-1,300
Creatinine	69.9	mg/dL	50-150
Sodium	38	mEq/L	70-250
Potassium	37.7	mEq/L	25-100
Chloride	41	mEq/L	70-250
Calcium	22.2	mg/dL	50-300
Phosphorus	36.8	mg/dL	<500

PTH: parathyroid hormone; PTHrP: parathyroid hormone-related protein; calcitriol: 1,25-dihydroxyvitamin D₃.