Atypical Parathyroid Adenoma Complicated with Protracted Hungry Bone Syndrome after Surgery: A Case Report and Literature Review

Table 1

Laboratory findings at hospital admission and at last outpatient follow-up visit.

	Hospitalization [February 2010]	Follow-up [November 2013]	Reference values
Serum calcium [mg/dL]	12.1	8.9	8.6–9.9
Corrected serum calcium [mg/dL]	12.6	7.9
Serum phosphate [mg/dL]	2.7	3	2.7–4.5
Serum magnesium [mg/dL]	1.3	2	1.9–2.7
Serum albumin [g/dL]	3.4	5.2	3.5–5.7
Serum creatinine [mg/dL]	4.83	1.05	0.42–1.09
Creatinine clearance [ml/min/1.73 m^2]	12	76	≥90
PTH [pg/mL]	2551	91.7	12–88
25-OH vitamin D [ng/mL]	13	25.9	30–100
Alkaline phosphatase [IU/L]	4410	126	34–104
Urinary calcium [mg/day]	213	22	100–300
Urinary phosphorus [mg/day]	413	524	<1000
Prolactin [ng/mL]	12.6	—	2.64–13.13
FSH [mIU/mL]	4.4	—	3.85–8.78
LH [mIU/mL]	17	—	2.12–10.89
Estradiol [pg/mL]	36.13	—	12–40
T3 [nmol/L]	1.78	—	0.64–1.81
T4 [nmol/L]	69.33	—	66–181
TSH [UI/mL]	1.85	—	0.3–5
Thyroglobulin [ng/mL]	5.7	—	0–36.8
ACTH [pg/mL]	19	—	10–100
Morning cortisol [µg/dL]	15.76		6.7–22.6

PTH parathyroid hormone.
Corrected calcium with albumin using the following formula: = + 0.8 [4 − albumin_measured].