A Case of Acute Psychosis in an Adolescent Male

Table 1

Biochemical characteristics of our patient with PHPT.

Laboratory results	BT	AMT	ASMT
Serum iCa (4.5–5.3 mg/dL)	8.0	6.6	4.8
Serum total calcium (8.9–10.7 mg/dL)	18.0	11.8	9.6
Serum iPTH (9–69 pg/mL)	350.0	242.0	<2.5
Serum 25-OH vitamin D (20–100 ng/mL)	18.0	22.0	61.0
Serum phosphate (2.5–4.8 mg/dL)	3.1	3.0	3.5
Serum alkaline phosphatase (50–130 IU/L)	156.0	143.0	122.0
Urine calcium/creatinine ratio (<0.21)	0.6	ND	ND
Urinary calcium excretion rate (<4 mg/kg/day)	12.0	ND	ND
Phosphate/creatinine clearance ratio (0.02–0.22)	0.22	ND	ND
Tubular reabsorption of phosphate (TRP) (78–98)%	78.0	ND	ND

BT: before treatment; AMT: after medical treatment; ASMT: after surgery and medical treatment; ND: not done.