Table 1.

Biochemical Data During the Follow-up

Parameter	At diagnosis	Before FNAB	6 d after FNAB	1 mo after FNAB	6 mo after FNAB	12 mo after FNAB	Normal values
Calcium, mg/dL	14.2a	12.3a	8.1a	9.1b	9.3b	9.4b	8.4-10.2a 8.5-10.5b
Phosphorus, mg/dL	…	...	...	2.7	2.6	2.4	2.5-4.5
PTH, pg/mL	380c	310c	188c	127d	54d	30d	10-65c 8-40d
25(OH)D, μg/L	8	…	…	10.9	32.2	29.4	>20
Albumin, g/dL	3.9	3.9	4.0	…	3.8	4.1	3.5-5.0

Abbreviations: FNAB = fine-needle aspiration biopsy; PTH = parathyroid hormone.

^aOther institution.

^bOur institution.

^cSecond-generation assay.

^dThird-generation assay.